20197754865

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6504913}}^1$

素因数の和:6504950

約数の個数: 32

約数和(自身を含む): 37468304640

約数和(自身を除く): 17270549775

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6504913, 19514739, 32524565, 58544217, 97573695, 149612999, 175632651, 292721085, 448838997, 748064995, 878163255, 1346516991, 2244194985, 4039550973, 6732584955, 20197754865]

約数ペア:

[(1, 20197754865), (3, 6732584955), (5, 4039550973), (9, 2244194985), (15, 1346516991), (23, 878163255), (27, 748064995), (45, 448838997), (69, 292721085), (115, 175632651), (135, 149612999), (207, 97573695), (345, 58544217), (621, 32524565), (1035, 19514739), (3105, 6504913)]