20143055380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1\times {\mathrm{2801}}^1$

素因数の和:4505

約数の個数: 96

約数和(自身を含む): 49950738432

約数和(自身を除く): 29807683052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1657, 2170, 2801, 3314, 4340, 5602, 6628, 8285, 11204, 11599, 14005, 16570, 19607, 23198, 28010, 33140, 39214, 46396, 51367, 56020, 57995, 78428, 86831, 98035, 102734, 115990, 173662, 196070, 205468, 231980, 256835, 347324, 359569, 392140, 434155, 513670, 607817, 719138, 868310, 1027340, 1215634, 1438276, 1736620, 1797845, 2431268, 3039085, 3595690, 4641257, 6078170, 7191380, 9282514, 12156340, 18565028, 23206285, 32488799, 46412570, 64977598, 92825140, 129955196, 143878967, 162443995, 287757934, 324887990, 575515868, 649775980, 719394835, 1007152769, 1438789670, 2014305538, 2877579340, 4028611076, 5035763845, 10071527690, 20143055380]

約数ペア:

[(1, 20143055380), (2, 10071527690), (4, 5035763845), (5, 4028611076), (7, 2877579340), (10, 2014305538), (14, 1438789670), (20, 1007152769), (28, 719394835), (31, 649775980), (35, 575515868), (62, 324887990), (70, 287757934), (124, 162443995), (140, 143878967), (155, 129955196), (217, 92825140), (310, 64977598), (434, 46412570), (620, 32488799), (868, 23206285), (1085, 18565028), (1657, 12156340), (2170, 9282514), (2801, 7191380), (3314, 6078170), (4340, 4641257), (5602, 3595690), (6628, 3039085), (8285, 2431268), (11204, 1797845), (11599, 1736620), (14005, 1438276), (16570, 1215634), (19607, 1027340), (23198, 868310), (28010, 719138), (33140, 607817), (39214, 513670), (46396, 434155), (51367, 392140), (56020, 359569), (57995, 347324), (78428, 256835), (86831, 231980), (98035, 205468), (102734, 196070), (115990, 173662)]