20279844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2549}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 58476600

約数和(自身を除く): 38196756

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2549, 2652, 3978, 5098, 7647, 7956, 10196, 15294, 22941, 30588, 33137, 43333, 45882, 66274, 86666, 91764, 99411, 129999, 132548, 173332, 198822, 259998, 298233, 389997, 397644, 519996, 563329, 596466, 779994, 1126658, 1192932, 1559988, 1689987, 2253316, 3379974, 5069961, 6759948, 10139922, 20279844]

約数ペア:

[(1, 20279844), (2, 10139922), (3, 6759948), (4, 5069961), (6, 3379974), (9, 2253316), (12, 1689987), (13, 1559988), (17, 1192932), (18, 1126658), (26, 779994), (34, 596466), (36, 563329), (39, 519996), (51, 397644), (52, 389997), (68, 298233), (78, 259998), (102, 198822), (117, 173332), (153, 132548), (156, 129999), (204, 99411), (221, 91764), (234, 86666), (306, 66274), (442, 45882), (468, 43333), (612, 33137), (663, 30588), (884, 22941), (1326, 15294), (1989, 10196), (2549, 7956), (2652, 7647), (3978, 5098)]