20013352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 22288088

約数列:

[1, 2, 4, 8, 17, 31, 34, 47, 62, 68, 94, 101, 124, 136, 188, 202, 248, 376, 404, 527, 799, 808, 1054, 1457, 1598, 1717, 2108, 2914, 3131, 3196, 3434, 4216, 4747, 5828, 6262, 6392, 6868, 9494, 11656, 12524, 13736, 18988, 24769, 25048, 37976, 49538, 53227, 80699, 99076, 106454, 147157, 161398, 198152, 212908, 294314, 322796, 425816, 588628, 645592, 1177256, 2501669, 5003338, 10006676, 20013352]

約数ペア:

[(1, 20013352), (2, 10006676), (4, 5003338), (8, 2501669), (17, 1177256), (31, 645592), (34, 588628), (47, 425816), (62, 322796), (68, 294314), (94, 212908), (101, 198152), (124, 161398), (136, 147157), (188, 106454), (202, 99076), (248, 80699), (376, 53227), (404, 49538), (527, 37976), (799, 25048), (808, 24769), (1054, 18988), (1457, 13736), (1598, 12524), (1717, 11656), (2108, 9494), (2914, 6868), (3131, 6392), (3196, 6262), (3434, 5828), (4216, 4747)]