20319642815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{4783}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 25916267520

約数和(自身を除く): 5596624705

約数列:

[1, 5, 19, 95, 197, 227, 985, 1135, 3743, 4313, 4783, 18715, 21565, 23915, 44719, 90877, 223595, 454385, 849661, 942251, 1085741, 4248305, 4711255, 5428705, 17902769, 20629079, 89513845, 103145395, 213890977, 1069454885, 4063928563, 20319642815]

約数ペア:

[(1, 20319642815), (5, 4063928563), (19, 1069454885), (95, 213890977), (197, 103145395), (227, 89513845), (985, 20629079), (1135, 17902769), (3743, 5428705), (4313, 4711255), (4783, 4248305), (18715, 1085741), (21565, 942251), (23915, 849661), (44719, 454385), (90877, 223595)]