20005939810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1191539}}^1$

素因数の和:1191642

約数の個数: 32

約数和(自身を含む): 38091150720

約数和(自身を除く): 18085210910

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1679, 3358, 8395, 16790, 1191539, 2383078, 5957695, 11915390, 27405397, 54810794, 86982347, 137026985, 173964694, 274053970, 434911735, 869823470, 2000593981, 4001187962, 10002969905, 20005939810]

約数ペア:

[(1, 20005939810), (2, 10002969905), (5, 4001187962), (10, 2000593981), (23, 869823470), (46, 434911735), (73, 274053970), (115, 173964694), (146, 137026985), (230, 86982347), (365, 54810794), (730, 27405397), (1679, 11915390), (3358, 5957695), (8395, 2383078), (16790, 1191539)]