20173179664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^2$

素因数の和:813

約数の個数: 120

約数和(自身を含む): 45819978048

約数和(自身を除く): 25646798384

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 37, 44, 46, 74, 88, 92, 148, 176, 184, 253, 296, 367, 368, 407, 506, 592, 734, 814, 851, 1012, 1468, 1628, 1702, 2024, 2936, 3256, 3404, 4037, 4048, 5872, 6512, 6808, 8074, 8441, 9361, 13579, 13616, 16148, 16882, 18722, 27158, 32296, 33764, 37444, 54316, 64592, 67528, 74888, 92851, 108632, 134689, 135056, 149369, 149776, 185702, 217264, 269378, 298738, 312317, 371404, 538756, 597476, 624634, 742808, 1077512, 1194952, 1249268, 1481579, 1485616, 2155024, 2389904, 2498536, 2963158, 3097847, 3435487, 4983493, 4997072, 5926316, 6195694, 6870974, 9966986, 11852632, 12391388, 13741948, 19933972, 23705264, 24782776, 27483896, 34076317, 39867944, 49565552, 54818423, 54967792, 68152634, 79735888, 109636846, 114620339, 136305268, 219273692, 229240678, 272610536, 438547384, 458481356, 545221072, 877094768, 916962712, 1260823729, 1833925424, 2521647458, 5043294916, 10086589832, 20173179664]

約数ペア:

[(1, 20173179664), (2, 10086589832), (4, 5043294916), (8, 2521647458), (11, 1833925424), (16, 1260823729), (22, 916962712), (23, 877094768), (37, 545221072), (44, 458481356), (46, 438547384), (74, 272610536), (88, 229240678), (92, 219273692), (148, 136305268), (176, 114620339), (184, 109636846), (253, 79735888), (296, 68152634), (367, 54967792), (368, 54818423), (407, 49565552), (506, 39867944), (592, 34076317), (734, 27483896), (814, 24782776), (851, 23705264), (1012, 19933972), (1468, 13741948), (1628, 12391388), (1702, 11852632), (2024, 9966986), (2936, 6870974), (3256, 6195694), (3404, 5926316), (4037, 4997072), (4048, 4983493), (5872, 3435487), (6512, 3097847), (6808, 2963158), (8074, 2498536), (8441, 2389904), (9361, 2155024), (13579, 1485616), (13616, 1481579), (16148, 1249268), (16882, 1194952), (18722, 1077512), (27158, 742808), (32296, 624634), (33764, 597476), (37444, 538756), (54316, 371404), (64592, 312317), (67528, 298738), (74888, 269378), (92851, 217264), (108632, 185702), (134689, 149776), (135056, 149369)]