20802348840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1904977}}^1$

素因数の和:1905011

約数の個数: 128

約数和(自身を含む): 76808712960

約数和(自身を除く): 56006364120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1904977, 3809954, 5714931, 7619908, 9524885, 11429862, 13334839, 15239816, 19049770, 22859724, 24764701, 26669678, 28574655, 38099540, 40004517, 45719448, 49529402, 53339356, 57149310, 66674195, 74294103, 76199080, 80009034, 99058804, 106678712, 114298620, 123823505, 133348390, 148588206, 160018068, 173352907, 198117608, 200022585, 228597240, 247647010, 266696780, 297176412, 320036136, 346705814, 371470515, 400045170, 495294020, 520058721, 533393560, 594352824, 693411628, 742941030, 800090340, 866764535, 990588040, 1040117442, 1386823256, 1485882060, 1600180680, 1733529070, 2080234884, 2600293605, 2971764120, 3467058140, 4160469768, 5200587210, 6934116280, 10401174420, 20802348840]

約数ペア:

[(1, 20802348840), (2, 10401174420), (3, 6934116280), (4, 5200587210), (5, 4160469768), (6, 3467058140), (7, 2971764120), (8, 2600293605), (10, 2080234884), (12, 1733529070), (13, 1600180680), (14, 1485882060), (15, 1386823256), (20, 1040117442), (21, 990588040), (24, 866764535), (26, 800090340), (28, 742941030), (30, 693411628), (35, 594352824), (39, 533393560), (40, 520058721), (42, 495294020), (52, 400045170), (56, 371470515), (60, 346705814), (65, 320036136), (70, 297176412), (78, 266696780), (84, 247647010), (91, 228597240), (104, 200022585), (105, 198117608), (120, 173352907), (130, 160018068), (140, 148588206), (156, 133348390), (168, 123823505), (182, 114298620), (195, 106678712), (210, 99058804), (260, 80009034), (273, 76199080), (280, 74294103), (312, 66674195), (364, 57149310), (390, 53339356), (420, 49529402), (455, 45719448), (520, 40004517), (546, 38099540), (728, 28574655), (780, 26669678), (840, 24764701), (910, 22859724), (1092, 19049770), (1365, 15239816), (1560, 13334839), (1820, 11429862), (2184, 9524885), (2730, 7619908), (3640, 5714931), (5460, 3809954), (10920, 1904977)]