20770860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2861}}^1$

素因数の和:2895

約数の個数: 72

約数和(自身を含む): 63948528

約数和(自身を除く): 43177668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2861, 3630, 5722, 7260, 8583, 11444, 14305, 17166, 28610, 31471, 34332, 42915, 57220, 62942, 85830, 94413, 125884, 157355, 171660, 188826, 314710, 346181, 377652, 472065, 629420, 692362, 944130, 1038543, 1384724, 1730905, 1888260, 2077086, 3461810, 4154172, 5192715, 6923620, 10385430, 20770860]

約数ペア:

[(1, 20770860), (2, 10385430), (3, 6923620), (4, 5192715), (5, 4154172), (6, 3461810), (10, 2077086), (11, 1888260), (12, 1730905), (15, 1384724), (20, 1038543), (22, 944130), (30, 692362), (33, 629420), (44, 472065), (55, 377652), (60, 346181), (66, 314710), (110, 188826), (121, 171660), (132, 157355), (165, 125884), (220, 94413), (242, 85830), (330, 62942), (363, 57220), (484, 42915), (605, 34332), (660, 31471), (726, 28610), (1210, 17166), (1452, 14305), (1815, 11444), (2420, 8583), (2861, 7260), (3630, 5722)]