20112964100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{213287}}^1$

素因数の和:213365

約数の個数: 72

約数和(自身を含む): 46653763968

約数和(自身を除く): 26540799868

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 820, 943, 1025, 1150, 1886, 2050, 2300, 3772, 4100, 4715, 9430, 18860, 23575, 47150, 94300, 213287, 426574, 853148, 1066435, 2132870, 4265740, 4905601, 5332175, 8744767, 9811202, 10664350, 17489534, 19622404, 21328700, 24528005, 34979068, 43723835, 49056010, 87447670, 98112020, 122640025, 174895340, 201129641, 218619175, 245280050, 402259282, 437238350, 490560100, 804518564, 874476700, 1005648205, 2011296410, 4022592820, 5028241025, 10056482050, 20112964100]

約数ペア:

[(1, 20112964100), (2, 10056482050), (4, 5028241025), (5, 4022592820), (10, 2011296410), (20, 1005648205), (23, 874476700), (25, 804518564), (41, 490560100), (46, 437238350), (50, 402259282), (82, 245280050), (92, 218619175), (100, 201129641), (115, 174895340), (164, 122640025), (205, 98112020), (230, 87447670), (410, 49056010), (460, 43723835), (575, 34979068), (820, 24528005), (943, 21328700), (1025, 19622404), (1150, 17489534), (1886, 10664350), (2050, 9811202), (2300, 8744767), (3772, 5332175), (4100, 4905601), (4715, 4265740), (9430, 2132870), (18860, 1066435), (23575, 853148), (47150, 426574), (94300, 213287)]