20219528

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 26488312

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 67, 68, 119, 134, 136, 238, 268, 317, 469, 476, 536, 634, 938, 952, 1139, 1268, 1876, 2219, 2278, 2536, 3752, 4438, 4556, 5389, 7973, 8876, 9112, 10778, 15946, 17752, 21239, 21556, 31892, 37723, 42478, 43112, 63784, 75446, 84956, 148673, 150892, 169912, 297346, 301784, 361063, 594692, 722126, 1189384, 1444252, 2527441, 2888504, 5054882, 10109764, 20219528]

約数ペア:

[(1, 20219528), (2, 10109764), (4, 5054882), (7, 2888504), (8, 2527441), (14, 1444252), (17, 1189384), (28, 722126), (34, 594692), (56, 361063), (67, 301784), (68, 297346), (119, 169912), (134, 150892), (136, 148673), (238, 84956), (268, 75446), (317, 63784), (469, 43112), (476, 42478), (536, 37723), (634, 31892), (938, 21556), (952, 21239), (1139, 17752), (1268, 15946), (1876, 10778), (2219, 9112), (2278, 8876), (2536, 7973), (3752, 5389), (4438, 4556)]