20464650

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 120

約数和(自身を含む): 59055744

約数和(自身を除く): 38591094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 135, 150, 155, 162, 163, 186, 225, 270, 279, 310, 326, 405, 450, 465, 489, 558, 675, 775, 810, 815, 837, 930, 978, 1350, 1395, 1467, 1550, 1630, 1674, 2025, 2325, 2445, 2511, 2790, 2934, 4050, 4075, 4185, 4401, 4650, 4890, 5022, 5053, 6975, 7335, 8150, 8370, 8802, 10106, 12225, 12555, 13203, 13950, 14670, 15159, 20925, 22005, 24450, 25110, 25265, 26406, 30318, 36675, 41850, 44010, 45477, 50530, 62775, 66015, 73350, 75795, 90954, 110025, 125550, 126325, 132030, 136431, 151590, 220050, 227385, 252650, 272862, 330075, 378975, 409293, 454770, 660150, 682155, 757950, 818586, 1136925, 1364310, 2046465, 2273850, 3410775, 4092930, 6821550, 10232325, 20464650]

約数ペア:

[(1, 20464650), (2, 10232325), (3, 6821550), (5, 4092930), (6, 3410775), (9, 2273850), (10, 2046465), (15, 1364310), (18, 1136925), (25, 818586), (27, 757950), (30, 682155), (31, 660150), (45, 454770), (50, 409293), (54, 378975), (62, 330075), (75, 272862), (81, 252650), (90, 227385), (93, 220050), (135, 151590), (150, 136431), (155, 132030), (162, 126325), (163, 125550), (186, 110025), (225, 90954), (270, 75795), (279, 73350), (310, 66015), (326, 62775), (405, 50530), (450, 45477), (465, 44010), (489, 41850), (558, 36675), (675, 30318), (775, 26406), (810, 25265), (815, 25110), (837, 24450), (930, 22005), (978, 20925), (1350, 15159), (1395, 14670), (1467, 13950), (1550, 13203), (1630, 12555), (1674, 12225), (2025, 10106), (2325, 8802), (2445, 8370), (2511, 8150), (2790, 7335), (2934, 6975), (4050, 5053), (4075, 5022), (4185, 4890), (4401, 4650)]