20161938370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1867}}^1\times {\mathrm{22039}}^1$

素因数の和:23927

約数の個数: 48

約数和(自身を含む): 42241158720

約数和(自身を除く): 22079220350

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1867, 3734, 9335, 13069, 18670, 22039, 26138, 44078, 65345, 91483, 110195, 130690, 154273, 182966, 220390, 308546, 457415, 771365, 914830, 1079911, 1542730, 2159822, 5399555, 10799110, 41146813, 82293626, 205734065, 288027691, 411468130, 576055382, 1440138455, 2016193837, 2880276910, 4032387674, 10080969185, 20161938370]

約数ペア:

[(1, 20161938370), (2, 10080969185), (5, 4032387674), (7, 2880276910), (10, 2016193837), (14, 1440138455), (35, 576055382), (49, 411468130), (70, 288027691), (98, 205734065), (245, 82293626), (490, 41146813), (1867, 10799110), (3734, 5399555), (9335, 2159822), (13069, 1542730), (18670, 1079911), (22039, 914830), (26138, 771365), (44078, 457415), (65345, 308546), (91483, 220390), (110195, 182966), (130690, 154273)]