20910210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9817}}^1$

素因数の和:9898

約数の個数: 32

約数和(自身を含む): 50896512

約数和(自身を除く): 29986302

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9817, 19634, 29451, 49085, 58902, 98170, 147255, 294510, 697007, 1394014, 2091021, 3485035, 4182042, 6970070, 10455105, 20910210]

約数ペア:

[(1, 20910210), (2, 10455105), (3, 6970070), (5, 4182042), (6, 3485035), (10, 2091021), (15, 1394014), (30, 697007), (71, 294510), (142, 147255), (213, 98170), (355, 58902), (426, 49085), (710, 29451), (1065, 19634), (2130, 9817)]