20656514687535

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1\times {\mathrm{337277}}^1$

素因数の和:338049

約数の個数: 96

約数和(自身を含む): 37617883505280

約数和(自身を除く): 16961368817745

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 213, 261, 355, 435, 639, 661, 1065, 1305, 1983, 2059, 3195, 3305, 5949, 6177, 9915, 10295, 18531, 19169, 29745, 30885, 46931, 57507, 92655, 95845, 140793, 172521, 234655, 287535, 337277, 422379, 703965, 862605, 1011831, 1360999, 1686385, 2111895, 3035493, 4082997, 5059155, 6804995, 9781033, 12248991, 15177465, 20414985, 23946667, 29343099, 48905165, 61244955, 71840001, 88029297, 119733335, 146715495, 215520003, 222940097, 359200005, 440146485, 668820291, 694453343, 1077600015, 1114700485, 2006460873, 2083360029, 3344101455, 3472266715, 6250080087, 6465262813, 10032304365, 10416800145, 15828746887, 19395788439, 31250400435, 32326314065, 47486240661, 58187365317, 79143734435, 96978942195, 142458721983, 237431203305, 290936826585, 459033659723, 712293609915, 1377100979169, 2295168298615, 4131302937507, 6885504895845, 20656514687535]

約数ペア:

[(1, 20656514687535), (3, 6885504895845), (5, 4131302937507), (9, 2295168298615), (15, 1377100979169), (29, 712293609915), (45, 459033659723), (71, 290936826585), (87, 237431203305), (145, 142458721983), (213, 96978942195), (261, 79143734435), (355, 58187365317), (435, 47486240661), (639, 32326314065), (661, 31250400435), (1065, 19395788439), (1305, 15828746887), (1983, 10416800145), (2059, 10032304365), (3195, 6465262813), (3305, 6250080087), (5949, 3472266715), (6177, 3344101455), (9915, 2083360029), (10295, 2006460873), (18531, 1114700485), (19169, 1077600015), (29745, 694453343), (30885, 668820291), (46931, 440146485), (57507, 359200005), (92655, 222940097), (95845, 215520003), (140793, 146715495), (172521, 119733335), (234655, 88029297), (287535, 71840001), (337277, 61244955), (422379, 48905165), (703965, 29343099), (862605, 23946667), (1011831, 20414985), (1360999, 15177465), (1686385, 12248991), (2111895, 9781033), (3035493, 6804995), (4082997, 5059155)]