20120221220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{163}}^1\times {\mathrm{4637}}^1$

素因数の和:4842

約数の個数: 96

約数和(自身を含む): 46769740416

約数和(自身を除く): 26649519196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 163, 220, 242, 326, 484, 605, 652, 815, 1210, 1331, 1630, 1793, 2420, 2662, 3260, 3586, 4637, 5324, 6655, 7172, 8965, 9274, 13310, 17930, 18548, 19723, 23185, 26620, 35860, 39446, 46370, 51007, 78892, 92740, 98615, 102014, 197230, 204028, 216953, 255035, 394460, 433906, 510070, 561077, 755831, 867812, 1020140, 1084765, 1122154, 1511662, 2169530, 2244308, 2805385, 3023324, 3779155, 4339060, 5610770, 6171847, 7558310, 8314141, 11221540, 12343694, 15116620, 16628282, 24687388, 30859235, 33256564, 41570705, 61718470, 83141410, 91455551, 123436940, 166282820, 182911102, 365822204, 457277755, 914555510, 1006011061, 1829111020, 2012022122, 4024044244, 5030055305, 10060110610, 20120221220]

約数ペア:

[(1, 20120221220), (2, 10060110610), (4, 5030055305), (5, 4024044244), (10, 2012022122), (11, 1829111020), (20, 1006011061), (22, 914555510), (44, 457277755), (55, 365822204), (110, 182911102), (121, 166282820), (163, 123436940), (220, 91455551), (242, 83141410), (326, 61718470), (484, 41570705), (605, 33256564), (652, 30859235), (815, 24687388), (1210, 16628282), (1331, 15116620), (1630, 12343694), (1793, 11221540), (2420, 8314141), (2662, 7558310), (3260, 6171847), (3586, 5610770), (4637, 4339060), (5324, 3779155), (6655, 3023324), (7172, 2805385), (8965, 2244308), (9274, 2169530), (13310, 1511662), (17930, 1122154), (18548, 1084765), (19723, 1020140), (23185, 867812), (26620, 755831), (35860, 561077), (39446, 510070), (46370, 433906), (51007, 394460), (78892, 255035), (92740, 216953), (98615, 204028), (102014, 197230)]