20512114948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{33151}}^1$

素因数の和:33404

約数の個数: 48

約数和(自身を含む): 39428601856

約数和(自身を除く): 18916486908

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 163, 292, 326, 652, 949, 1898, 2119, 3796, 4238, 8476, 11899, 23798, 33151, 47596, 66302, 132604, 154687, 309374, 430963, 618748, 861926, 1723852, 2420023, 4840046, 5403613, 9680092, 10807226, 21614452, 31460299, 62920598, 70246969, 125841196, 140493938, 280987876, 394463749, 788927498, 1577854996, 5128028737, 10256057474, 20512114948]

約数ペア:

[(1, 20512114948), (2, 10256057474), (4, 5128028737), (13, 1577854996), (26, 788927498), (52, 394463749), (73, 280987876), (146, 140493938), (163, 125841196), (292, 70246969), (326, 62920598), (652, 31460299), (949, 21614452), (1898, 10807226), (2119, 9680092), (3796, 5403613), (4238, 4840046), (8476, 2420023), (11899, 1723852), (23798, 861926), (33151, 618748), (47596, 430963), (66302, 309374), (132604, 154687)]