20703424

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 56

約数和(自身を含む): 48260000

約数和(自身を除く): 27556576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 148, 224, 259, 296, 448, 518, 592, 1036, 1184, 1249, 2072, 2368, 2498, 4144, 4996, 8288, 8743, 9992, 16576, 17486, 19984, 34972, 39968, 46213, 69944, 79936, 92426, 139888, 184852, 279776, 323491, 369704, 559552, 646982, 739408, 1293964, 1478816, 2587928, 2957632, 5175856, 10351712, 20703424]

約数ペア:

[(1, 20703424), (2, 10351712), (4, 5175856), (7, 2957632), (8, 2587928), (14, 1478816), (16, 1293964), (28, 739408), (32, 646982), (37, 559552), (56, 369704), (64, 323491), (74, 279776), (112, 184852), (148, 139888), (224, 92426), (259, 79936), (296, 69944), (448, 46213), (518, 39968), (592, 34972), (1036, 19984), (1184, 17486), (1249, 16576), (2072, 9992), (2368, 8743), (2498, 8288), (4144, 4996)]