20288730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8783}}^1$

素因数の和:8811

約数の個数: 64

約数和(自身を含む): 60715008

約数和(自身を除く): 40426278

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8783, 17566, 26349, 43915, 52698, 61481, 87830, 96613, 122962, 131745, 184443, 193226, 263490, 289839, 307405, 368886, 483065, 579678, 614810, 676291, 922215, 966130, 1352582, 1449195, 1844430, 2028873, 2898390, 3381455, 4057746, 6762910, 10144365, 20288730]

約数ペア:

[(1, 20288730), (2, 10144365), (3, 6762910), (5, 4057746), (6, 3381455), (7, 2898390), (10, 2028873), (11, 1844430), (14, 1449195), (15, 1352582), (21, 966130), (22, 922215), (30, 676291), (33, 614810), (35, 579678), (42, 483065), (55, 368886), (66, 307405), (70, 289839), (77, 263490), (105, 193226), (110, 184443), (154, 131745), (165, 122962), (210, 96613), (231, 87830), (330, 61481), (385, 52698), (462, 43915), (770, 26349), (1155, 17566), (2310, 8783)]