20199821240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{2111}}^1$

素因数の和:2337

約数の個数: 128

約数和(自身を含む): 48105446400

約数和(自身を除く): 27905625160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 113, 116, 145, 146, 226, 232, 290, 292, 365, 452, 565, 580, 584, 730, 904, 1130, 1160, 1460, 2111, 2117, 2260, 2920, 3277, 4222, 4234, 4520, 6554, 8249, 8444, 8468, 10555, 10585, 13108, 16385, 16498, 16888, 16936, 21110, 21170, 26216, 32770, 32996, 41245, 42220, 42340, 61219, 65540, 65992, 82490, 84440, 84680, 122438, 131080, 154103, 164980, 238543, 239221, 244876, 306095, 308206, 329960, 477086, 478442, 489752, 612190, 616412, 770515, 954172, 956884, 1192715, 1196105, 1224380, 1232824, 1541030, 1908344, 1913768, 2385430, 2392210, 2448760, 3082060, 4468987, 4770860, 4784420, 6164120, 6917747, 8937974, 9541720, 9568840, 13835494, 17413639, 17875948, 22344935, 27670988, 34588735, 34827278, 35751896, 44689870, 55341976, 69177470, 69654556, 87068195, 89379740, 138354940, 139309112, 174136390, 178759480, 276709880, 348272780, 504995531, 696545560, 1009991062, 2019982124, 2524977655, 4039964248, 5049955310, 10099910620, 20199821240]

約数ペア:

[(1, 20199821240), (2, 10099910620), (4, 5049955310), (5, 4039964248), (8, 2524977655), (10, 2019982124), (20, 1009991062), (29, 696545560), (40, 504995531), (58, 348272780), (73, 276709880), (113, 178759480), (116, 174136390), (145, 139309112), (146, 138354940), (226, 89379740), (232, 87068195), (290, 69654556), (292, 69177470), (365, 55341976), (452, 44689870), (565, 35751896), (580, 34827278), (584, 34588735), (730, 27670988), (904, 22344935), (1130, 17875948), (1160, 17413639), (1460, 13835494), (2111, 9568840), (2117, 9541720), (2260, 8937974), (2920, 6917747), (3277, 6164120), (4222, 4784420), (4234, 4770860), (4520, 4468987), (6554, 3082060), (8249, 2448760), (8444, 2392210), (8468, 2385430), (10555, 1913768), (10585, 1908344), (13108, 1541030), (16385, 1232824), (16498, 1224380), (16888, 1196105), (16936, 1192715), (21110, 956884), (21170, 954172), (26216, 770515), (32770, 616412), (32996, 612190), (41245, 489752), (42220, 478442), (42340, 477086), (61219, 329960), (65540, 308206), (65992, 306095), (82490, 244876), (84440, 239221), (84680, 238543), (122438, 164980), (131080, 154103)]