20476974602

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1335

約数の個数: 64

約数和(自身を含む): 36433013760

約数和(自身を除く): 15956039158

約数列:

[1, 2, 7, 14, 37, 74, 193, 239, 259, 386, 478, 518, 857, 1351, 1673, 1714, 2702, 3346, 5999, 7141, 8843, 11998, 14282, 17686, 31709, 46127, 49987, 61901, 63418, 92254, 99974, 123802, 165401, 204823, 221963, 322889, 330802, 409646, 443926, 645778, 1157807, 1433761, 1706699, 2315614, 2867522, 3413398, 6119837, 7578451, 11946893, 12239674, 15156902, 23893786, 39530839, 42838859, 53049157, 79061678, 85677718, 106098314, 276715873, 553431746, 1462641043, 2925282086, 10238487301, 20476974602]

約数ペア:

[(1, 20476974602), (2, 10238487301), (7, 2925282086), (14, 1462641043), (37, 553431746), (74, 276715873), (193, 106098314), (239, 85677718), (259, 79061678), (386, 53049157), (478, 42838859), (518, 39530839), (857, 23893786), (1351, 15156902), (1673, 12239674), (1714, 11946893), (2702, 7578451), (3346, 6119837), (5999, 3413398), (7141, 2867522), (8843, 2315614), (11998, 1706699), (14282, 1433761), (17686, 1157807), (31709, 645778), (46127, 443926), (49987, 409646), (61901, 330802), (63418, 322889), (92254, 221963), (99974, 204823), (123802, 165401)]