20178698945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{347041}}^1$

素因数の和:347476

約数の個数: 16

約数和(自身を含む): 25111959120

約数和(自身を除く): 4933260175

約数列:

[1, 5, 29, 145, 401, 2005, 11629, 58145, 347041, 1735205, 10064189, 50320945, 139163441, 695817205, 4035739789, 20178698945]

約数ペア:

[(1, 20178698945), (5, 4035739789), (29, 695817205), (145, 139163441), (401, 50320945), (2005, 10064189), (11629, 1735205), (58145, 347041)]