20184847620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2663}}^1\times {\mathrm{18047}}^1$

素因数の和:20729

約数の個数: 96

約数和(自身を含む): 64619347968

約数和(自身を除く): 44434500348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2663, 5326, 7989, 10652, 13315, 15978, 18047, 18641, 26630, 31956, 36094, 37282, 39945, 53260, 54141, 55923, 72188, 74564, 79890, 90235, 93205, 108282, 111846, 126329, 159780, 180470, 186410, 216564, 223692, 252658, 270705, 279615, 360940, 372820, 378987, 505316, 541410, 559230, 631645, 757974, 1082820, 1118460, 1263290, 1515948, 1894935, 2526580, 3789870, 7579740, 48059161, 96118322, 144177483, 192236644, 240295805, 288354966, 336414127, 480591610, 576709932, 672828254, 720887415, 961183220, 1009242381, 1345656508, 1441774830, 1682070635, 2018484762, 2883549660, 3364141270, 4036969524, 5046211905, 6728282540, 10092423810, 20184847620]

約数ペア:

[(1, 20184847620), (2, 10092423810), (3, 6728282540), (4, 5046211905), (5, 4036969524), (6, 3364141270), (7, 2883549660), (10, 2018484762), (12, 1682070635), (14, 1441774830), (15, 1345656508), (20, 1009242381), (21, 961183220), (28, 720887415), (30, 672828254), (35, 576709932), (42, 480591610), (60, 336414127), (70, 288354966), (84, 240295805), (105, 192236644), (140, 144177483), (210, 96118322), (420, 48059161), (2663, 7579740), (5326, 3789870), (7989, 2526580), (10652, 1894935), (13315, 1515948), (15978, 1263290), (18047, 1118460), (18641, 1082820), (26630, 757974), (31956, 631645), (36094, 559230), (37282, 541410), (39945, 505316), (53260, 378987), (54141, 372820), (55923, 360940), (72188, 279615), (74564, 270705), (79890, 252658), (90235, 223692), (93205, 216564), (108282, 186410), (111846, 180470), (126329, 159780)]