20383350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10453}}^1$

素因数の和:10481

約数の個数: 48

約数和(自身を含む): 54444432

約数和(自身を除く): 34061082

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, 10453, 20906, 31359, 52265, 62718, 104530, 135889, 156795, 261325, 271778, 313590, 407667, 522650, 679445, 783975, 815334, 1358890, 1567950, 2038335, 3397225, 4076670, 6794450, 10191675, 20383350]

約数ペア:

[(1, 20383350), (2, 10191675), (3, 6794450), (5, 4076670), (6, 3397225), (10, 2038335), (13, 1567950), (15, 1358890), (25, 815334), (26, 783975), (30, 679445), (39, 522650), (50, 407667), (65, 313590), (75, 271778), (78, 261325), (130, 156795), (150, 135889), (195, 104530), (325, 62718), (390, 52265), (650, 31359), (975, 20906), (1950, 10453)]