20619708

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 51809184

約数和(自身を除く): 31189476

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 61, 68, 102, 122, 183, 204, 244, 366, 732, 1037, 1657, 2074, 3111, 3314, 4148, 4971, 6222, 6628, 9942, 12444, 19884, 28169, 56338, 84507, 101077, 112676, 169014, 202154, 303231, 338028, 404308, 606462, 1212924, 1718309, 3436618, 5154927, 6873236, 10309854, 20619708]

約数ペア:

[(1, 20619708), (2, 10309854), (3, 6873236), (4, 5154927), (6, 3436618), (12, 1718309), (17, 1212924), (34, 606462), (51, 404308), (61, 338028), (68, 303231), (102, 202154), (122, 169014), (183, 112676), (204, 101077), (244, 84507), (366, 56338), (732, 28169), (1037, 19884), (1657, 12444), (2074, 9942), (3111, 6628), (3314, 6222), (4148, 4971)]