20637112951

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{72431}}^1$

素因数の和:72583

約数の個数: 32

約数和(自身を含む): 26478821376

約数和(自身を除く): 5841708425

約数列:

[1, 7, 13, 31, 91, 101, 217, 403, 707, 1313, 2821, 3131, 9191, 21917, 40703, 72431, 284921, 507017, 941603, 2245361, 6591221, 7315531, 15717527, 29189693, 51208717, 95101903, 204327851, 226781461, 665713321, 1587470227, 2948158993, 20637112951]

約数ペア:

[(1, 20637112951), (7, 2948158993), (13, 1587470227), (31, 665713321), (91, 226781461), (101, 204327851), (217, 95101903), (403, 51208717), (707, 29189693), (1313, 15717527), (2821, 7315531), (3131, 6591221), (9191, 2245361), (21917, 941603), (40703, 507017), (72431, 284921)]