20232867340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{665993}}^1$

素因数の和:666047

約数の個数: 72

約数和(自身を含む): 51020468352

約数和(自身を除く): 30787601012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 665993, 1331986, 2663972, 3329965, 4661951, 6659930, 9323902, 13319860, 18647804, 20645783, 23309755, 32633657, 41291566, 46619510, 65267314, 82583132, 93239020, 103228915, 130534628, 144520481, 163168285, 206457830, 289040962, 326336570, 412915660, 578081924, 652673140, 722602405, 1011643367, 1445204810, 2023286734, 2890409620, 4046573468, 5058216835, 10116433670, 20232867340]

約数ペア:

[(1, 20232867340), (2, 10116433670), (4, 5058216835), (5, 4046573468), (7, 2890409620), (10, 2023286734), (14, 1445204810), (20, 1011643367), (28, 722602405), (31, 652673140), (35, 578081924), (49, 412915660), (62, 326336570), (70, 289040962), (98, 206457830), (124, 163168285), (140, 144520481), (155, 130534628), (196, 103228915), (217, 93239020), (245, 82583132), (310, 65267314), (434, 46619510), (490, 41291566), (620, 32633657), (868, 23309755), (980, 20645783), (1085, 18647804), (1519, 13319860), (2170, 9323902), (3038, 6659930), (4340, 4661951), (6076, 3329965), (7595, 2663972), (15190, 1331986), (30380, 665993)]