20899696064

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{15289}}^1$

素因数の和:15398

約数の個数: 112

約数和(自身を含む): 46976751360

約数和(自身を除く): 26077055296

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 53, 62, 64, 104, 106, 124, 208, 212, 248, 403, 416, 424, 496, 689, 806, 832, 848, 992, 1378, 1612, 1643, 1696, 1984, 2756, 3224, 3286, 3392, 5512, 6448, 6572, 11024, 12896, 13144, 15289, 21359, 22048, 25792, 26288, 30578, 42718, 44096, 52576, 61156, 85436, 105152, 122312, 170872, 198757, 244624, 341744, 397514, 473959, 489248, 683488, 795028, 810317, 947918, 978496, 1366976, 1590056, 1620634, 1895836, 3180112, 3241268, 3791672, 6161467, 6360224, 6482536, 7583344, 10534121, 12322934, 12720448, 12965072, 15166688, 21068242, 24645868, 25119827, 25930144, 30333376, 42136484, 49291736, 50239654, 51860288, 84272968, 98583472, 100479308, 168545936, 197166944, 200958616, 326557751, 337091872, 394333888, 401917232, 653115502, 674183744, 803834464, 1306231004, 1607668928, 2612462008, 5224924016, 10449848032, 20899696064]

約数ペア:

[(1, 20899696064), (2, 10449848032), (4, 5224924016), (8, 2612462008), (13, 1607668928), (16, 1306231004), (26, 803834464), (31, 674183744), (32, 653115502), (52, 401917232), (53, 394333888), (62, 337091872), (64, 326557751), (104, 200958616), (106, 197166944), (124, 168545936), (208, 100479308), (212, 98583472), (248, 84272968), (403, 51860288), (416, 50239654), (424, 49291736), (496, 42136484), (689, 30333376), (806, 25930144), (832, 25119827), (848, 24645868), (992, 21068242), (1378, 15166688), (1612, 12965072), (1643, 12720448), (1696, 12322934), (1984, 10534121), (2756, 7583344), (3224, 6482536), (3286, 6360224), (3392, 6161467), (5512, 3791672), (6448, 3241268), (6572, 3180112), (11024, 1895836), (12896, 1620634), (13144, 1590056), (15289, 1366976), (21359, 978496), (22048, 947918), (25792, 810317), (26288, 795028), (30578, 683488), (42718, 489248), (44096, 473959), (52576, 397514), (61156, 341744), (85436, 244624), (105152, 198757), (122312, 170872)]