20023340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 28360660

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 29, 38, 46, 58, 76, 79, 92, 95, 115, 116, 145, 158, 190, 230, 290, 316, 380, 395, 437, 460, 551, 580, 667, 790, 874, 1102, 1334, 1501, 1580, 1748, 1817, 2185, 2204, 2291, 2668, 2755, 3002, 3335, 3634, 4370, 4582, 5510, 6004, 6670, 7268, 7505, 8740, 9085, 9164, 11020, 11455, 12673, 13340, 15010, 18170, 22910, 25346, 30020, 34523, 36340, 43529, 45820, 50692, 52693, 63365, 69046, 87058, 105386, 126730, 138092, 172615, 174116, 210772, 217645, 253460, 263465, 345230, 435290, 526930, 690460, 870580, 1001167, 1053860, 2002334, 4004668, 5005835, 10011670, 20023340]

約数ペア:

[(1, 20023340), (2, 10011670), (4, 5005835), (5, 4004668), (10, 2002334), (19, 1053860), (20, 1001167), (23, 870580), (29, 690460), (38, 526930), (46, 435290), (58, 345230), (76, 263465), (79, 253460), (92, 217645), (95, 210772), (115, 174116), (116, 172615), (145, 138092), (158, 126730), (190, 105386), (230, 87058), (290, 69046), (316, 63365), (380, 52693), (395, 50692), (437, 45820), (460, 43529), (551, 36340), (580, 34523), (667, 30020), (790, 25346), (874, 22910), (1102, 18170), (1334, 15010), (1501, 13340), (1580, 12673), (1748, 11455), (1817, 11020), (2185, 9164), (2204, 9085), (2291, 8740), (2668, 7505), (2755, 7268), (3002, 6670), (3335, 6004), (3634, 5510), (4370, 4582)]