20688600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 68042520

約数和(自身を除く): 47353920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 41, 50, 58, 60, 75, 82, 87, 100, 116, 120, 123, 145, 150, 164, 174, 200, 205, 232, 246, 290, 300, 328, 348, 410, 435, 492, 580, 600, 615, 696, 725, 820, 841, 870, 984, 1025, 1160, 1189, 1230, 1450, 1640, 1682, 1740, 2050, 2175, 2378, 2460, 2523, 2900, 3075, 3364, 3480, 3567, 4100, 4205, 4350, 4756, 4920, 5046, 5800, 5945, 6150, 6728, 7134, 8200, 8410, 8700, 9512, 10092, 11890, 12300, 12615, 14268, 16820, 17400, 17835, 20184, 21025, 23780, 24600, 25230, 28536, 29725, 33640, 34481, 35670, 42050, 47560, 50460, 59450, 63075, 68962, 71340, 84100, 89175, 100920, 103443, 118900, 126150, 137924, 142680, 168200, 172405, 178350, 206886, 237800, 252300, 275848, 344810, 356700, 413772, 504600, 517215, 689620, 713400, 827544, 862025, 1034430, 1379240, 1724050, 2068860, 2586075, 3448100, 4137720, 5172150, 6896200, 10344300, 20688600]

約数ペア:

[(1, 20688600), (2, 10344300), (3, 6896200), (4, 5172150), (5, 4137720), (6, 3448100), (8, 2586075), (10, 2068860), (12, 1724050), (15, 1379240), (20, 1034430), (24, 862025), (25, 827544), (29, 713400), (30, 689620), (40, 517215), (41, 504600), (50, 413772), (58, 356700), (60, 344810), (75, 275848), (82, 252300), (87, 237800), (100, 206886), (116, 178350), (120, 172405), (123, 168200), (145, 142680), (150, 137924), (164, 126150), (174, 118900), (200, 103443), (205, 100920), (232, 89175), (246, 84100), (290, 71340), (300, 68962), (328, 63075), (348, 59450), (410, 50460), (435, 47560), (492, 42050), (580, 35670), (600, 34481), (615, 33640), (696, 29725), (725, 28536), (820, 25230), (841, 24600), (870, 23780), (984, 21025), (1025, 20184), (1160, 17835), (1189, 17400), (1230, 16820), (1450, 14268), (1640, 12615), (1682, 12300), (1740, 11890), (2050, 10092), (2175, 9512), (2378, 8700), (2460, 8410), (2523, 8200), (2900, 7134), (3075, 6728), (3364, 6150), (3480, 5945), (3567, 5800), (4100, 5046), (4205, 4920), (4350, 4756)]