20683650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10607}}^1$

素因数の和:10635

約数の個数: 48

約数和(自身を含む): 55246464

約数和(自身を除く): 34562814

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10607, 21214, 31821, 53035, 63642, 106070, 137891, 159105, 265175, 275782, 318210, 413673, 530350, 689455, 795525, 827346, 1378910, 1591050, 2068365, 3447275, 4136730, 6894550, 10341825, 20683650]

約数ペア:

[(1, 20683650), (2, 10341825), (3, 6894550), (5, 4136730), (6, 3447275), (10, 2068365), (13, 1591050), (15, 1378910), (25, 827346), (26, 795525), (30, 689455), (39, 530350), (50, 413673), (65, 318210), (75, 275782), (78, 265175), (130, 159105), (150, 137891), (195, 106070), (325, 63642), (390, 53035), (650, 31821), (975, 21214), (1950, 10607)]