20176419580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1234787}}^1$

素因数の和:1234858

約数の個数: 48

約数和(自身を含む): 45637764480

約数和(自身を除く): 25461344900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 1234787, 2469574, 4939148, 6173935, 12347870, 23460953, 24695740, 46921906, 53095841, 93843812, 106191682, 117304765, 212383364, 234609530, 265479205, 469219060, 530958410, 1008820979, 1061916820, 2017641958, 4035283916, 5044104895, 10088209790, 20176419580]

約数ペア:

[(1, 20176419580), (2, 10088209790), (4, 5044104895), (5, 4035283916), (10, 2017641958), (19, 1061916820), (20, 1008820979), (38, 530958410), (43, 469219060), (76, 265479205), (86, 234609530), (95, 212383364), (172, 117304765), (190, 106191682), (215, 93843812), (380, 53095841), (430, 46921906), (817, 24695740), (860, 23460953), (1634, 12347870), (3268, 6173935), (4085, 4939148), (8170, 2469574), (16340, 1234787)]