20512202048

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{4451}}^1$

素因数の和:4696

約数の個数: 112

約数和(自身を含む): 45594178560

約数和(自身を除く): 25081976512

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 191, 208, 232, 377, 382, 416, 464, 754, 764, 832, 928, 1508, 1528, 1856, 2483, 3016, 3056, 4451, 4966, 5539, 6032, 6112, 8902, 9932, 11078, 12064, 12224, 17804, 19864, 22156, 24128, 35608, 39728, 44312, 57863, 71216, 72007, 79456, 88624, 115726, 129079, 142432, 144014, 158912, 177248, 231452, 258158, 284864, 288028, 354496, 462904, 516316, 576056, 850141, 925808, 1032632, 1152112, 1678027, 1700282, 1851616, 2065264, 2304224, 3356054, 3400564, 3703232, 4130528, 4608448, 6712108, 6801128, 8261056, 11051833, 13424216, 13602256, 22103666, 24654089, 26848432, 27204512, 44207332, 49308178, 53696864, 54409024, 88414664, 98616356, 107393728, 176829328, 197232712, 320503157, 353658656, 394465424, 641006314, 707317312, 788930848, 1282012628, 1577861696, 2564025256, 5128050512, 10256101024, 20512202048]

約数ペア:

[(1, 20512202048), (2, 10256101024), (4, 5128050512), (8, 2564025256), (13, 1577861696), (16, 1282012628), (26, 788930848), (29, 707317312), (32, 641006314), (52, 394465424), (58, 353658656), (64, 320503157), (104, 197232712), (116, 176829328), (191, 107393728), (208, 98616356), (232, 88414664), (377, 54409024), (382, 53696864), (416, 49308178), (464, 44207332), (754, 27204512), (764, 26848432), (832, 24654089), (928, 22103666), (1508, 13602256), (1528, 13424216), (1856, 11051833), (2483, 8261056), (3016, 6801128), (3056, 6712108), (4451, 4608448), (4966, 4130528), (5539, 3703232), (6032, 3400564), (6112, 3356054), (8902, 2304224), (9932, 2065264), (11078, 1851616), (12064, 1700282), (12224, 1678027), (17804, 1152112), (19864, 1032632), (22156, 925808), (24128, 850141), (35608, 576056), (39728, 516316), (44312, 462904), (57863, 354496), (71216, 288028), (72007, 284864), (79456, 258158), (88624, 231452), (115726, 177248), (129079, 158912), (142432, 144014)]