20678688

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3779}}^1$

素因数の和:3814

約数の個数: 72

約数和(自身を含む): 61916400

約数和(自身を除く): 41237712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3779, 5472, 7558, 11337, 15116, 22674, 30232, 34011, 45348, 60464, 68022, 71801, 90696, 120928, 136044, 143602, 181392, 215403, 272088, 287204, 362784, 430806, 544176, 574408, 646209, 861612, 1088352, 1148816, 1292418, 1723224, 2297632, 2584836, 3446448, 5169672, 6892896, 10339344, 20678688]

約数ペア:

[(1, 20678688), (2, 10339344), (3, 6892896), (4, 5169672), (6, 3446448), (8, 2584836), (9, 2297632), (12, 1723224), (16, 1292418), (18, 1148816), (19, 1088352), (24, 861612), (32, 646209), (36, 574408), (38, 544176), (48, 430806), (57, 362784), (72, 287204), (76, 272088), (96, 215403), (114, 181392), (144, 143602), (152, 136044), (171, 120928), (228, 90696), (288, 71801), (304, 68022), (342, 60464), (456, 45348), (608, 34011), (684, 30232), (912, 22674), (1368, 15116), (1824, 11337), (2736, 7558), (3779, 5472)]