20217290770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{230449}}^1$

素因数の和:230770

約数の個数: 32

約数和(自身を含む): 37697932800

約数和(自身を除く): 17480642030

約数列:

[1, 2, 5, 10, 31, 62, 155, 283, 310, 566, 1415, 2830, 8773, 17546, 43865, 87730, 230449, 460898, 1152245, 2304490, 7143919, 14287838, 35719595, 65217067, 71439190, 130434134, 326085335, 652170670, 2021729077, 4043458154, 10108645385, 20217290770]

約数ペア:

[(1, 20217290770), (2, 10108645385), (5, 4043458154), (10, 2021729077), (31, 652170670), (62, 326085335), (155, 130434134), (283, 71439190), (310, 65217067), (566, 35719595), (1415, 14287838), (2830, 7143919), (8773, 2304490), (17546, 1152245), (43865, 460898), (87730, 230449)]