20147506600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:972

約数の個数: 192

約数和(自身を含む): 51923551680

約数和(自身を除く): 31776045080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 130, 164, 200, 205, 260, 325, 328, 331, 410, 520, 533, 571, 650, 662, 820, 1025, 1066, 1142, 1300, 1324, 1640, 1655, 2050, 2132, 2284, 2600, 2648, 2665, 2855, 3310, 4100, 4264, 4303, 4568, 5330, 5710, 6620, 7423, 8200, 8275, 8606, 10660, 11420, 13240, 13325, 13571, 14275, 14846, 16550, 17212, 21320, 21515, 22840, 23411, 26650, 27142, 28550, 29692, 33100, 34424, 37115, 43030, 46822, 53300, 54284, 57100, 59384, 66200, 67855, 74230, 86060, 93644, 106600, 107575, 108568, 114200, 117055, 135710, 148460, 172120, 176423, 185575, 187288, 189001, 215150, 234110, 271420, 296920, 304343, 339275, 352846, 371150, 378002, 430300, 468220, 542840, 585275, 608686, 678550, 705692, 742300, 756004, 860600, 882115, 936440, 945005, 1170550, 1217372, 1357100, 1411384, 1484600, 1512008, 1521715, 1764230, 1890010, 2341100, 2434744, 2457013, 2714200, 3043430, 3528460, 3780020, 4410575, 4682200, 4725025, 4914026, 6086860, 7056920, 7560040, 7608575, 7749041, 8821150, 9450050, 9828052, 12173720, 12285065, 15217150, 15498082, 17642300, 18900100, 19656104, 24570130, 30434300, 30996164, 35284600, 37800200, 38745205, 49140260, 60868600, 61425325, 61992328, 77490410, 98280520, 100737533, 122850650, 154980820, 193726025, 201475066, 245701300, 309961640, 387452050, 402950132, 491402600, 503687665, 774904100, 805900264, 1007375330, 1549808200, 2014750660, 2518438325, 4029501320, 5036876650, 10073753300, 20147506600]

約数ペア:

[(1, 20147506600), (2, 10073753300), (4, 5036876650), (5, 4029501320), (8, 2518438325), (10, 2014750660), (13, 1549808200), (20, 1007375330), (25, 805900264), (26, 774904100), (40, 503687665), (41, 491402600), (50, 402950132), (52, 387452050), (65, 309961640), (82, 245701300), (100, 201475066), (104, 193726025), (130, 154980820), (164, 122850650), (200, 100737533), (205, 98280520), (260, 77490410), (325, 61992328), (328, 61425325), (331, 60868600), (410, 49140260), (520, 38745205), (533, 37800200), (571, 35284600), (650, 30996164), (662, 30434300), (820, 24570130), (1025, 19656104), (1066, 18900100), (1142, 17642300), (1300, 15498082), (1324, 15217150), (1640, 12285065), (1655, 12173720), (2050, 9828052), (2132, 9450050), (2284, 8821150), (2600, 7749041), (2648, 7608575), (2665, 7560040), (2855, 7056920), (3310, 6086860), (4100, 4914026), (4264, 4725025), (4303, 4682200), (4568, 4410575), (5330, 3780020), (5710, 3528460), (6620, 3043430), (7423, 2714200), (8200, 2457013), (8275, 2434744), (8606, 2341100), (10660, 1890010), (11420, 1764230), (13240, 1521715), (13325, 1512008), (13571, 1484600), (14275, 1411384), (14846, 1357100), (16550, 1217372), (17212, 1170550), (21320, 945005), (21515, 936440), (22840, 882115), (23411, 860600), (26650, 756004), (27142, 742300), (28550, 705692), (29692, 678550), (33100, 608686), (34424, 585275), (37115, 542840), (43030, 468220), (46822, 430300), (53300, 378002), (54284, 371150), (57100, 352846), (59384, 339275), (66200, 304343), (67855, 296920), (74230, 271420), (86060, 234110), (93644, 215150), (106600, 189001), (107575, 187288), (108568, 185575), (114200, 176423), (117055, 172120), (135710, 148460)]