20347080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13043}}^1$

素因数の和:13070

約数の個数: 64

約数和(自身を含む): 65741760

約数和(自身を除く): 45394680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13043, 26086, 39129, 52172, 65215, 78258, 104344, 130430, 156516, 169559, 195645, 260860, 313032, 339118, 391290, 508677, 521720, 678236, 782580, 847795, 1017354, 1356472, 1565160, 1695590, 2034708, 2543385, 3391180, 4069416, 5086770, 6782360, 10173540, 20347080]

約数ペア:

[(1, 20347080), (2, 10173540), (3, 6782360), (4, 5086770), (5, 4069416), (6, 3391180), (8, 2543385), (10, 2034708), (12, 1695590), (13, 1565160), (15, 1356472), (20, 1017354), (24, 847795), (26, 782580), (30, 678236), (39, 521720), (40, 508677), (52, 391290), (60, 339118), (65, 313032), (78, 260860), (104, 195645), (120, 169559), (130, 156516), (156, 130430), (195, 104344), (260, 78258), (312, 65215), (390, 52172), (520, 39129), (780, 26086), (1560, 13043)]