20441657320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1549}}^1\times {\mathrm{6733}}^1$

素因数の和:8307

約数の個数: 96

約数和(自身を含む): 53545401000

約数和(自身を除く): 33103743680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1549, 1960, 3098, 6196, 6733, 7745, 10843, 12392, 13466, 15490, 21686, 26932, 30980, 33665, 43372, 47131, 53864, 54215, 61960, 67330, 75901, 86744, 94262, 108430, 134660, 151802, 188524, 216860, 235655, 269320, 303604, 329917, 377048, 379505, 433720, 471310, 607208, 659834, 759010, 942620, 1319668, 1518020, 1649585, 1885240, 2639336, 3036040, 3299170, 6598340, 10429417, 13196680, 20858834, 41717668, 52147085, 73005919, 83435336, 104294170, 146011838, 208588340, 292023676, 365029595, 417176680, 511041433, 584047352, 730059190, 1022082866, 1460118380, 2044165732, 2555207165, 2920236760, 4088331464, 5110414330, 10220828660, 20441657320]

約数ペア:

[(1, 20441657320), (2, 10220828660), (4, 5110414330), (5, 4088331464), (7, 2920236760), (8, 2555207165), (10, 2044165732), (14, 1460118380), (20, 1022082866), (28, 730059190), (35, 584047352), (40, 511041433), (49, 417176680), (56, 365029595), (70, 292023676), (98, 208588340), (140, 146011838), (196, 104294170), (245, 83435336), (280, 73005919), (392, 52147085), (490, 41717668), (980, 20858834), (1549, 13196680), (1960, 10429417), (3098, 6598340), (6196, 3299170), (6733, 3036040), (7745, 2639336), (10843, 1885240), (12392, 1649585), (13466, 1518020), (15490, 1319668), (21686, 942620), (26932, 759010), (30980, 659834), (33665, 607208), (43372, 471310), (47131, 433720), (53864, 379505), (54215, 377048), (61960, 329917), (67330, 303604), (75901, 269320), (86744, 235655), (94262, 216860), (108430, 188524), (134660, 151802)]