19920260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 25485100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 1429, 2788, 2858, 3485, 5716, 6970, 7145, 13940, 14290, 24293, 28580, 48586, 58589, 97172, 117178, 121465, 234356, 242930, 292945, 485860, 585890, 996013, 1171780, 1992026, 3984052, 4980065, 9960130, 19920260]

約数ペア:

[(1, 19920260), (2, 9960130), (4, 4980065), (5, 3984052), (10, 1992026), (17, 1171780), (20, 996013), (34, 585890), (41, 485860), (68, 292945), (82, 242930), (85, 234356), (164, 121465), (170, 117178), (205, 97172), (340, 58589), (410, 48586), (697, 28580), (820, 24293), (1394, 14290), (1429, 13940), (2788, 7145), (2858, 6970), (3485, 5716)]