23852020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 55552392

約数和(自身を除く): 31700372

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 73, 85, 124, 146, 155, 170, 292, 310, 340, 365, 527, 620, 730, 961, 1054, 1241, 1460, 1922, 2108, 2263, 2482, 2635, 3844, 4526, 4805, 4964, 5270, 6205, 9052, 9610, 10540, 11315, 12410, 16337, 19220, 22630, 24820, 32674, 38471, 45260, 65348, 70153, 76942, 81685, 140306, 153884, 163370, 192355, 280612, 326740, 350765, 384710, 701530, 769420, 1192601, 1403060, 2385202, 4770404, 5963005, 11926010, 23852020]

約数ペア:

[(1, 23852020), (2, 11926010), (4, 5963005), (5, 4770404), (10, 2385202), (17, 1403060), (20, 1192601), (31, 769420), (34, 701530), (62, 384710), (68, 350765), (73, 326740), (85, 280612), (124, 192355), (146, 163370), (155, 153884), (170, 140306), (292, 81685), (310, 76942), (340, 70153), (365, 65348), (527, 45260), (620, 38471), (730, 32674), (961, 24820), (1054, 22630), (1241, 19220), (1460, 16337), (1922, 12410), (2108, 11315), (2263, 10540), (2482, 9610), (2635, 9052), (3844, 6205), (4526, 5270), (4805, 4964)]