20445090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 51152256

約数和(自身を除く): 30707166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 113, 163, 185, 222, 226, 326, 339, 370, 489, 555, 565, 678, 815, 978, 1110, 1130, 1630, 1695, 2445, 3390, 4181, 4890, 6031, 8362, 12062, 12543, 18093, 18419, 20905, 25086, 30155, 36186, 36838, 41810, 55257, 60310, 62715, 90465, 92095, 110514, 125430, 180930, 184190, 276285, 552570, 681503, 1363006, 2044509, 3407515, 4089018, 6815030, 10222545, 20445090]

約数ペア:

[(1, 20445090), (2, 10222545), (3, 6815030), (5, 4089018), (6, 3407515), (10, 2044509), (15, 1363006), (30, 681503), (37, 552570), (74, 276285), (111, 184190), (113, 180930), (163, 125430), (185, 110514), (222, 92095), (226, 90465), (326, 62715), (339, 60310), (370, 55257), (489, 41810), (555, 36838), (565, 36186), (678, 30155), (815, 25086), (978, 20905), (1110, 18419), (1130, 18093), (1630, 12543), (1695, 12062), (2445, 8362), (3390, 6031), (4181, 4890)]