20887536

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 58428800

約数和(自身を除く): 37541264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 619, 703, 888, 912, 1238, 1406, 1776, 1857, 2109, 2476, 2812, 3714, 4218, 4952, 5624, 7428, 8436, 9904, 11248, 11761, 14856, 16872, 22903, 23522, 29712, 33744, 35283, 45806, 47044, 68709, 70566, 91612, 94088, 137418, 141132, 183224, 188176, 274836, 282264, 366448, 435157, 549672, 564528, 870314, 1099344, 1305471, 1740628, 2610942, 3481256, 5221884, 6962512, 10443768, 20887536]

約数ペア:

[(1, 20887536), (2, 10443768), (3, 6962512), (4, 5221884), (6, 3481256), (8, 2610942), (12, 1740628), (16, 1305471), (19, 1099344), (24, 870314), (37, 564528), (38, 549672), (48, 435157), (57, 366448), (74, 282264), (76, 274836), (111, 188176), (114, 183224), (148, 141132), (152, 137418), (222, 94088), (228, 91612), (296, 70566), (304, 68709), (444, 47044), (456, 45806), (592, 35283), (619, 33744), (703, 29712), (888, 23522), (912, 22903), (1238, 16872), (1406, 14856), (1776, 11761), (1857, 11248), (2109, 9904), (2476, 8436), (2812, 7428), (3714, 5624), (4218, 4952)]