20145201560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1\times {\mathrm{967}}^1$

素因数の和:1521

約数の個数: 128

約数和(自身を含む): 50055667200

約数和(自身を除く): 29910465640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 419, 440, 452, 565, 838, 904, 967, 1130, 1243, 1676, 1934, 2095, 2260, 2486, 3352, 3868, 4190, 4520, 4609, 4835, 4972, 6215, 7736, 8380, 9218, 9670, 9944, 10637, 12430, 16760, 18436, 19340, 21274, 23045, 24860, 36872, 38680, 42548, 46090, 47347, 49720, 53185, 85096, 92180, 94694, 106370, 109271, 184360, 189388, 212740, 218542, 236735, 378776, 405173, 425480, 437084, 473470, 520817, 546355, 810346, 874168, 946940, 1041634, 1092710, 1201981, 1620692, 1893880, 2025865, 2083268, 2185420, 2403962, 2604085, 3241384, 4051730, 4166536, 4370840, 4456903, 4807924, 5208170, 6009905, 8103460, 8913806, 9615848, 10416340, 12019810, 16206920, 17827612, 20832680, 22284515, 24039620, 35655224, 44569030, 45784549, 48079240, 89138060, 91569098, 178276120, 183138196, 228922745, 366276392, 457845490, 503630039, 915690980, 1007260078, 1831381960, 2014520156, 2518150195, 4029040312, 5036300390, 10072600780, 20145201560]

約数ペア:

[(1, 20145201560), (2, 10072600780), (4, 5036300390), (5, 4029040312), (8, 2518150195), (10, 2014520156), (11, 1831381960), (20, 1007260078), (22, 915690980), (40, 503630039), (44, 457845490), (55, 366276392), (88, 228922745), (110, 183138196), (113, 178276120), (220, 91569098), (226, 89138060), (419, 48079240), (440, 45784549), (452, 44569030), (565, 35655224), (838, 24039620), (904, 22284515), (967, 20832680), (1130, 17827612), (1243, 16206920), (1676, 12019810), (1934, 10416340), (2095, 9615848), (2260, 8913806), (2486, 8103460), (3352, 6009905), (3868, 5208170), (4190, 4807924), (4520, 4456903), (4609, 4370840), (4835, 4166536), (4972, 4051730), (6215, 3241384), (7736, 2604085), (8380, 2403962), (9218, 2185420), (9670, 2083268), (9944, 2025865), (10637, 1893880), (12430, 1620692), (16760, 1201981), (18436, 1092710), (19340, 1041634), (21274, 946940), (23045, 874168), (24860, 810346), (36872, 546355), (38680, 520817), (42548, 473470), (46090, 437084), (47347, 425480), (49720, 405173), (53185, 378776), (85096, 236735), (92180, 218542), (94694, 212740), (106370, 189388), (109271, 184360)]