20456670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52453}}^1$

素因数の和:52476

約数の個数: 32

約数和(自身を含む): 52873632

約数和(自身を除く): 32416962

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52453, 104906, 157359, 262265, 314718, 524530, 681889, 786795, 1363778, 1573590, 2045667, 3409445, 4091334, 6818890, 10228335, 20456670]

約数ペア:

[(1, 20456670), (2, 10228335), (3, 6818890), (5, 4091334), (6, 3409445), (10, 2045667), (13, 1573590), (15, 1363778), (26, 786795), (30, 681889), (39, 524530), (65, 314718), (78, 262265), (130, 157359), (195, 104906), (390, 52453)]