20161651672

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{701}}^1\times {\mathrm{821}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 39469809600

約数和(自身を除く): 19308157928

約数列:

[1, 2, 4, 8, 29, 58, 116, 151, 232, 302, 604, 701, 821, 1208, 1402, 1642, 2804, 3284, 4379, 5608, 6568, 8758, 17516, 20329, 23809, 35032, 40658, 47618, 81316, 95236, 105851, 123971, 162632, 190472, 211702, 247942, 423404, 495884, 575521, 846808, 991768, 1151042, 2302084, 3069679, 3595159, 4604168, 6139358, 7190318, 12278716, 14380636, 16690109, 24557432, 28761272, 33380218, 66760436, 86903671, 133520872, 173807342, 347614684, 695229368, 2520206459, 5040412918, 10080825836, 20161651672]

約数ペア:

[(1, 20161651672), (2, 10080825836), (4, 5040412918), (8, 2520206459), (29, 695229368), (58, 347614684), (116, 173807342), (151, 133520872), (232, 86903671), (302, 66760436), (604, 33380218), (701, 28761272), (821, 24557432), (1208, 16690109), (1402, 14380636), (1642, 12278716), (2804, 7190318), (3284, 6139358), (4379, 4604168), (5608, 3595159), (6568, 3069679), (8758, 2302084), (17516, 1151042), (20329, 991768), (23809, 846808), (35032, 575521), (40658, 495884), (47618, 423404), (81316, 247942), (95236, 211702), (105851, 190472), (123971, 162632)]