20123849060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1861}}^1\times {\mathrm{77239}}^1$

素因数の和:79116

約数の個数: 48

約数和(自身を含む): 48323815680

約数和(自身を除く): 28199966620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1861, 3722, 7444, 9305, 13027, 18610, 26054, 37220, 52108, 65135, 77239, 130270, 154478, 260540, 308956, 386195, 540673, 772390, 1081346, 1544780, 2162692, 2703365, 5406730, 10813460, 143741779, 287483558, 574967116, 718708895, 1006192453, 1437417790, 2012384906, 2874835580, 4024769812, 5030962265, 10061924530, 20123849060]

約数ペア:

[(1, 20123849060), (2, 10061924530), (4, 5030962265), (5, 4024769812), (7, 2874835580), (10, 2012384906), (14, 1437417790), (20, 1006192453), (28, 718708895), (35, 574967116), (70, 287483558), (140, 143741779), (1861, 10813460), (3722, 5406730), (7444, 2703365), (9305, 2162692), (13027, 1544780), (18610, 1081346), (26054, 772390), (37220, 540673), (52108, 386195), (65135, 308956), (77239, 260540), (130270, 154478)]