20917494920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6029}}^1\times {\mathrm{12391}}^1$

素因数の和:18438

約数の個数: 64

約数和(自身を含む): 53801107200

約数和(自身を除く): 32883612280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6029, 12058, 12391, 24116, 24782, 30145, 42203, 48232, 49564, 60290, 61955, 84406, 86737, 99128, 120580, 123910, 168812, 173474, 211015, 241160, 247820, 337624, 346948, 422030, 433685, 495640, 693896, 844060, 867370, 1688120, 1734740, 3469480, 74705339, 149410678, 298821356, 373526695, 522937373, 597642712, 747053390, 1045874746, 1494106780, 2091749492, 2614686865, 2988213560, 4183498984, 5229373730, 10458747460, 20917494920]

約数ペア:

[(1, 20917494920), (2, 10458747460), (4, 5229373730), (5, 4183498984), (7, 2988213560), (8, 2614686865), (10, 2091749492), (14, 1494106780), (20, 1045874746), (28, 747053390), (35, 597642712), (40, 522937373), (56, 373526695), (70, 298821356), (140, 149410678), (280, 74705339), (6029, 3469480), (12058, 1734740), (12391, 1688120), (24116, 867370), (24782, 844060), (30145, 693896), (42203, 495640), (48232, 433685), (49564, 422030), (60290, 346948), (61955, 337624), (84406, 247820), (86737, 241160), (99128, 211015), (120580, 173474), (123910, 168812)]