20164415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 6930625

約数列:

[1, 5, 19, 31, 41, 95, 155, 167, 205, 589, 779, 835, 1271, 2945, 3173, 3895, 5177, 6355, 6847, 15865, 24149, 25885, 34235, 98363, 120745, 130093, 212257, 491815, 650465, 1061285, 4032883, 20164415]

約数ペア:

[(1, 20164415), (5, 4032883), (19, 1061285), (31, 650465), (41, 491815), (95, 212257), (155, 130093), (167, 120745), (205, 98363), (589, 34235), (779, 25885), (835, 24149), (1271, 15865), (2945, 6847), (3173, 6355), (3895, 5177)]