20196660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 42509004

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 426, 431, 660, 710, 781, 852, 862, 1065, 1293, 1420, 1562, 1724, 2130, 2155, 2343, 2586, 3124, 3905, 4260, 4310, 4686, 4741, 5172, 6465, 7810, 8620, 9372, 9482, 11715, 12930, 14223, 15620, 18964, 23430, 23705, 25860, 28446, 30601, 46860, 47410, 56892, 61202, 71115, 91803, 94820, 122404, 142230, 153005, 183606, 284460, 306010, 336611, 367212, 459015, 612020, 673222, 918030, 1009833, 1346444, 1683055, 1836060, 2019666, 3366110, 4039332, 5049165, 6732220, 10098330, 20196660]

約数ペア:

[(1, 20196660), (2, 10098330), (3, 6732220), (4, 5049165), (5, 4039332), (6, 3366110), (10, 2019666), (11, 1836060), (12, 1683055), (15, 1346444), (20, 1009833), (22, 918030), (30, 673222), (33, 612020), (44, 459015), (55, 367212), (60, 336611), (66, 306010), (71, 284460), (110, 183606), (132, 153005), (142, 142230), (165, 122404), (213, 94820), (220, 91803), (284, 71115), (330, 61202), (355, 56892), (426, 47410), (431, 46860), (660, 30601), (710, 28446), (781, 25860), (852, 23705), (862, 23430), (1065, 18964), (1293, 15620), (1420, 14223), (1562, 12930), (1724, 11715), (2130, 9482), (2155, 9372), (2343, 8620), (2586, 7810), (3124, 6465), (3905, 5172), (4260, 4741), (4310, 4686)]