20161474566

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1\times {\mathrm{1889}}^1$

素因数の和:2429

約数の個数: 64

約数和(自身を含む): 41864739840

約数和(自身を除く): 21703265274

約数列:

[1, 2, 3, 6, 37, 74, 111, 131, 222, 262, 367, 393, 734, 786, 1101, 1889, 2202, 3778, 4847, 5667, 9694, 11334, 13579, 14541, 27158, 29082, 40737, 48077, 69893, 81474, 96154, 139786, 144231, 209679, 247459, 288462, 419358, 494918, 693263, 742377, 1386526, 1484754, 1778849, 2079789, 3557698, 4159578, 5336547, 9155983, 10673094, 18311966, 25650731, 27467949, 51301462, 54935898, 76952193, 90817453, 153904386, 181634906, 272452359, 544904718, 3360245761, 6720491522, 10080737283, 20161474566]

約数ペア:

[(1, 20161474566), (2, 10080737283), (3, 6720491522), (6, 3360245761), (37, 544904718), (74, 272452359), (111, 181634906), (131, 153904386), (222, 90817453), (262, 76952193), (367, 54935898), (393, 51301462), (734, 27467949), (786, 25650731), (1101, 18311966), (1889, 10673094), (2202, 9155983), (3778, 5336547), (4847, 4159578), (5667, 3557698), (9694, 2079789), (11334, 1778849), (13579, 1484754), (14541, 1386526), (27158, 742377), (29082, 693263), (40737, 494918), (48077, 419358), (69893, 288462), (81474, 247459), (96154, 209679), (139786, 144231)]