20165594940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{2339}}^1$

素因数の和:2792

約数の個数: 144

約数和(自身を含む): 61756007040

約数和(自身を除く): 41590412100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 227, 422, 454, 633, 681, 844, 908, 1055, 1135, 1266, 1362, 1899, 2043, 2110, 2270, 2339, 2532, 2724, 3165, 3405, 3798, 4086, 4220, 4540, 4678, 6330, 6810, 7017, 7596, 8172, 9356, 9495, 10215, 11695, 12660, 13620, 14034, 18990, 20430, 21051, 23390, 28068, 35085, 37980, 40860, 42102, 46780, 47897, 70170, 84204, 95794, 105255, 140340, 143691, 191588, 210510, 239485, 287382, 421020, 431073, 478970, 493529, 530953, 574764, 718455, 862146, 957940, 987058, 1061906, 1436910, 1480587, 1592859, 1724292, 1974116, 2123812, 2155365, 2467645, 2654765, 2873820, 2961174, 3185718, 4310730, 4441761, 4778577, 4935290, 5309530, 5922348, 6371436, 7402935, 7964295, 8621460, 8883522, 9557154, 9870580, 10619060, 14805870, 15928590, 17767044, 19114308, 22208805, 23892885, 29611740, 31857180, 44417610, 47785770, 88835220, 95571540, 112031083, 224062166, 336093249, 448124332, 560155415, 672186498, 1008279747, 1120310830, 1344372996, 1680466245, 2016559494, 2240621660, 3360932490, 4033118988, 5041398735, 6721864980, 10082797470, 20165594940]

約数ペア:

[(1, 20165594940), (2, 10082797470), (3, 6721864980), (4, 5041398735), (5, 4033118988), (6, 3360932490), (9, 2240621660), (10, 2016559494), (12, 1680466245), (15, 1344372996), (18, 1120310830), (20, 1008279747), (30, 672186498), (36, 560155415), (45, 448124332), (60, 336093249), (90, 224062166), (180, 112031083), (211, 95571540), (227, 88835220), (422, 47785770), (454, 44417610), (633, 31857180), (681, 29611740), (844, 23892885), (908, 22208805), (1055, 19114308), (1135, 17767044), (1266, 15928590), (1362, 14805870), (1899, 10619060), (2043, 9870580), (2110, 9557154), (2270, 8883522), (2339, 8621460), (2532, 7964295), (2724, 7402935), (3165, 6371436), (3405, 5922348), (3798, 5309530), (4086, 4935290), (4220, 4778577), (4540, 4441761), (4678, 4310730), (6330, 3185718), (6810, 2961174), (7017, 2873820), (7596, 2654765), (8172, 2467645), (9356, 2155365), (9495, 2123812), (10215, 1974116), (11695, 1724292), (12660, 1592859), (13620, 1480587), (14034, 1436910), (18990, 1061906), (20430, 987058), (21051, 957940), (23390, 862146), (28068, 718455), (35085, 574764), (37980, 530953), (40860, 493529), (42102, 478970), (46780, 431073), (47897, 421020), (70170, 287382), (84204, 239485), (95794, 210510), (105255, 191588), (140340, 143691)]