20573315

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 30357504

約数和(自身を除く): 9784189

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 355, 487, 497, 595, 1207, 2435, 2485, 3409, 6035, 8279, 8449, 17045, 34577, 41395, 42245, 57953, 172885, 242039, 289765, 587809, 1210195, 2939045, 4114663, 20573315]

約数ペア:

[(1, 20573315), (5, 4114663), (7, 2939045), (17, 1210195), (35, 587809), (71, 289765), (85, 242039), (119, 172885), (355, 57953), (487, 42245), (497, 41395), (595, 34577), (1207, 17045), (2435, 8449), (2485, 8279), (3409, 6035)]