20276410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 27934790

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1549, 1870, 2618, 3098, 6545, 7745, 10843, 13090, 15490, 17039, 21686, 26333, 34078, 52666, 54215, 85195, 108430, 119273, 131665, 170390, 184331, 238546, 263330, 289663, 368662, 579326, 596365, 921655, 1192730, 1448315, 1843310, 2027641, 2896630, 4055282, 10138205, 20276410]

約数ペア:

[(1, 20276410), (2, 10138205), (5, 4055282), (7, 2896630), (10, 2027641), (11, 1843310), (14, 1448315), (17, 1192730), (22, 921655), (34, 596365), (35, 579326), (55, 368662), (70, 289663), (77, 263330), (85, 238546), (110, 184331), (119, 170390), (154, 131665), (170, 119273), (187, 108430), (238, 85195), (374, 54215), (385, 52666), (595, 34078), (770, 26333), (935, 21686), (1190, 17039), (1309, 15490), (1549, 13090), (1870, 10843), (2618, 7745), (3098, 6545)]