20463570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4024

約数の個数: 64

約数和(自身を含む): 57456000

約数和(自身を除く): 36992430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 3989, 5130, 7978, 11967, 19945, 23934, 35901, 39890, 59835, 71802, 75791, 107703, 119670, 151582, 179505, 215406, 227373, 359010, 378955, 454746, 538515, 682119, 757910, 1077030, 1136865, 1364238, 2046357, 2273730, 3410595, 4092714, 6821190, 10231785, 20463570]

約数ペア:

[(1, 20463570), (2, 10231785), (3, 6821190), (5, 4092714), (6, 3410595), (9, 2273730), (10, 2046357), (15, 1364238), (18, 1136865), (19, 1077030), (27, 757910), (30, 682119), (38, 538515), (45, 454746), (54, 378955), (57, 359010), (90, 227373), (95, 215406), (114, 179505), (135, 151582), (171, 119670), (190, 107703), (270, 75791), (285, 71802), (342, 59835), (513, 39890), (570, 35901), (855, 23934), (1026, 19945), (1710, 11967), (2565, 7978), (3989, 5130)]