20201595920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{1033}}^1$

素因数の和:1441

約数の個数: 160

約数和(自身を含む): 52176731904

約数和(自身を除く): 31975135984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 313, 355, 440, 568, 626, 710, 781, 880, 1033, 1136, 1252, 1420, 1562, 1565, 2066, 2504, 2840, 3124, 3130, 3443, 3905, 4132, 5008, 5165, 5680, 6248, 6260, 6886, 7810, 8264, 10330, 11363, 12496, 12520, 13772, 15620, 16528, 17215, 20660, 22223, 22726, 25040, 27544, 31240, 34430, 41320, 44446, 45452, 55088, 56815, 62480, 68860, 73343, 82640, 88892, 90904, 111115, 113630, 137720, 146686, 177784, 181808, 222230, 227260, 244453, 275440, 293372, 323329, 355568, 366715, 444460, 454520, 488906, 586744, 646658, 733430, 806773, 888920, 909040, 977812, 1173488, 1222265, 1293316, 1466860, 1613546, 1616645, 1777840, 1955624, 2444530, 2586632, 2933720, 3227092, 3233290, 3556619, 3911248, 4033865, 4889060, 5173264, 5867440, 6454184, 6466580, 7113238, 8067730, 9778120, 12908368, 12933160, 14226476, 16135460, 17783095, 19556240, 22956359, 25866320, 28452952, 32270920, 35566190, 45912718, 56905904, 64541840, 71132380, 91825436, 114781795, 142264760, 183650872, 229563590, 252519949, 284529520, 367301744, 459127180, 505039898, 918254360, 1010079796, 1262599745, 1836508720, 2020159592, 2525199490, 4040319184, 5050398980, 10100797960, 20201595920]

約数ペア:

[(1, 20201595920), (2, 10100797960), (4, 5050398980), (5, 4040319184), (8, 2525199490), (10, 2020159592), (11, 1836508720), (16, 1262599745), (20, 1010079796), (22, 918254360), (40, 505039898), (44, 459127180), (55, 367301744), (71, 284529520), (80, 252519949), (88, 229563590), (110, 183650872), (142, 142264760), (176, 114781795), (220, 91825436), (284, 71132380), (313, 64541840), (355, 56905904), (440, 45912718), (568, 35566190), (626, 32270920), (710, 28452952), (781, 25866320), (880, 22956359), (1033, 19556240), (1136, 17783095), (1252, 16135460), (1420, 14226476), (1562, 12933160), (1565, 12908368), (2066, 9778120), (2504, 8067730), (2840, 7113238), (3124, 6466580), (3130, 6454184), (3443, 5867440), (3905, 5173264), (4132, 4889060), (5008, 4033865), (5165, 3911248), (5680, 3556619), (6248, 3233290), (6260, 3227092), (6886, 2933720), (7810, 2586632), (8264, 2444530), (10330, 1955624), (11363, 1777840), (12496, 1616645), (12520, 1613546), (13772, 1466860), (15620, 1293316), (16528, 1222265), (17215, 1173488), (20660, 977812), (22223, 909040), (22726, 888920), (25040, 806773), (27544, 733430), (31240, 646658), (34430, 586744), (41320, 488906), (44446, 454520), (45452, 444460), (55088, 366715), (56815, 355568), (62480, 323329), (68860, 293372), (73343, 275440), (82640, 244453), (88892, 227260), (90904, 222230), (111115, 181808), (113630, 177784), (137720, 146686)]