20356068

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 51889152

約数和(自身を除く): 31533084

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 127, 148, 222, 228, 254, 361, 381, 444, 508, 703, 722, 762, 1083, 1406, 1444, 1524, 2109, 2166, 2413, 2812, 4218, 4332, 4699, 4826, 7239, 8436, 9398, 9652, 13357, 14097, 14478, 18796, 26714, 28194, 28956, 40071, 45847, 53428, 56388, 80142, 89281, 91694, 137541, 160284, 178562, 183388, 267843, 275082, 357124, 535686, 550164, 1071372, 1696339, 3392678, 5089017, 6785356, 10178034, 20356068]

約数ペア:

[(1, 20356068), (2, 10178034), (3, 6785356), (4, 5089017), (6, 3392678), (12, 1696339), (19, 1071372), (37, 550164), (38, 535686), (57, 357124), (74, 275082), (76, 267843), (111, 183388), (114, 178562), (127, 160284), (148, 137541), (222, 91694), (228, 89281), (254, 80142), (361, 56388), (381, 53428), (444, 45847), (508, 40071), (703, 28956), (722, 28194), (762, 26714), (1083, 18796), (1406, 14478), (1444, 14097), (1524, 13357), (2109, 9652), (2166, 9398), (2413, 8436), (2812, 7239), (4218, 4826), (4332, 4699)]