20786352960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{51431}}^1$

素因数の和:51872

約数の個数: 112

約数和(自身を含む): 66154718592

約数和(自身を除く): 45368365632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 421, 480, 842, 960, 1263, 1684, 2105, 2526, 3368, 4210, 5052, 6315, 6736, 8420, 10104, 12630, 13472, 16840, 20208, 25260, 26944, 33680, 40416, 50520, 51431, 67360, 80832, 101040, 102862, 134720, 154293, 202080, 205724, 257155, 308586, 404160, 411448, 514310, 617172, 771465, 822896, 1028620, 1234344, 1542930, 1645792, 2057240, 2468688, 3085860, 3291584, 4114480, 4937376, 6171720, 8228960, 9874752, 12343440, 16457920, 21652451, 24686880, 43304902, 49373760, 64957353, 86609804, 108262255, 129914706, 173219608, 216524510, 259829412, 324786765, 346439216, 433049020, 519658824, 649573530, 692878432, 866098040, 1039317648, 1299147060, 1385756864, 1732196080, 2078635296, 2598294120, 3464392160, 4157270592, 5196588240, 6928784320, 10393176480, 20786352960]

約数ペア:

[(1, 20786352960), (2, 10393176480), (3, 6928784320), (4, 5196588240), (5, 4157270592), (6, 3464392160), (8, 2598294120), (10, 2078635296), (12, 1732196080), (15, 1385756864), (16, 1299147060), (20, 1039317648), (24, 866098040), (30, 692878432), (32, 649573530), (40, 519658824), (48, 433049020), (60, 346439216), (64, 324786765), (80, 259829412), (96, 216524510), (120, 173219608), (160, 129914706), (192, 108262255), (240, 86609804), (320, 64957353), (421, 49373760), (480, 43304902), (842, 24686880), (960, 21652451), (1263, 16457920), (1684, 12343440), (2105, 9874752), (2526, 8228960), (3368, 6171720), (4210, 4937376), (5052, 4114480), (6315, 3291584), (6736, 3085860), (8420, 2468688), (10104, 2057240), (12630, 1645792), (13472, 1542930), (16840, 1234344), (20208, 1028620), (25260, 822896), (26944, 771465), (33680, 617172), (40416, 514310), (50520, 411448), (51431, 404160), (67360, 308586), (80832, 257155), (101040, 205724), (102862, 202080), (134720, 154293)]