20154564320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{41341}}^1$

素因数の和:41644

約数の個数: 96

約数和(自身を含む): 52132592736

約数和(自身を除く): 31978028416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 277, 352, 440, 554, 880, 1108, 1385, 1760, 2216, 2770, 3047, 4432, 5540, 6094, 8864, 11080, 12188, 15235, 22160, 24376, 30470, 41341, 44320, 48752, 60940, 82682, 97504, 121880, 165364, 206705, 243760, 330728, 413410, 454751, 487520, 661456, 826820, 909502, 1322912, 1653640, 1819004, 2273755, 3307280, 3638008, 4547510, 6614560, 7276016, 9095020, 11451457, 14552032, 18190040, 22902914, 36380080, 45805828, 57257285, 72760160, 91611656, 114514570, 125966027, 183223312, 229029140, 251932054, 366446624, 458058280, 503864108, 629830135, 916116560, 1007728216, 1259660270, 1832233120, 2015456432, 2519320540, 4030912864, 5038641080, 10077282160, 20154564320]

約数ペア:

[(1, 20154564320), (2, 10077282160), (4, 5038641080), (5, 4030912864), (8, 2519320540), (10, 2015456432), (11, 1832233120), (16, 1259660270), (20, 1007728216), (22, 916116560), (32, 629830135), (40, 503864108), (44, 458058280), (55, 366446624), (80, 251932054), (88, 229029140), (110, 183223312), (160, 125966027), (176, 114514570), (220, 91611656), (277, 72760160), (352, 57257285), (440, 45805828), (554, 36380080), (880, 22902914), (1108, 18190040), (1385, 14552032), (1760, 11451457), (2216, 9095020), (2770, 7276016), (3047, 6614560), (4432, 4547510), (5540, 3638008), (6094, 3307280), (8864, 2273755), (11080, 1819004), (12188, 1653640), (15235, 1322912), (22160, 909502), (24376, 826820), (30470, 661456), (41341, 487520), (44320, 454751), (48752, 413410), (60940, 330728), (82682, 243760), (97504, 206705), (121880, 165364)]