206869572020

素因数分解:

$2^2\times 5^1\times {\mathrm{15601}}^1\times {\mathrm{663001}}^1$

素因数の和:678611

約数の個数: 24

約数和(自身を含む): 434454602568

約数和(自身を除く): 227585030548

約数列:

[1, 2, 4, 5, 10, 20, 15601, 31202, 62404, 78005, 156010, 312020, 663001, 1326002, 2652004, 3315005, 6630010, 13260020, 10343478601, 20686957202, 41373914404, 51717393005, 103434786010, 206869572020]

約数ペア:

[(1, 206869572020), (2, 103434786010), (4, 51717393005), (5, 41373914404), (10, 20686957202), (20, 10343478601), (15601, 13260020), (31202, 6630010), (62404, 3315005), (78005, 2652004), (156010, 1326002), (312020, 663001)]