20171856

素因数分解:

$2^4\times 3^1\times {\mathrm{113}}^1\times {\mathrm{3719}}^1$

素因数の和:3843

約数の個数: 40

約数和(自身を含む): 52585920

約数和(自身を除く): 32414064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 113, 226, 339, 452, 678, 904, 1356, 1808, 2712, 3719, 5424, 7438, 11157, 14876, 22314, 29752, 44628, 59504, 89256, 178512, 420247, 840494, 1260741, 1680988, 2521482, 3361976, 5042964, 6723952, 10085928, 20171856]

約数ペア:

[(1, 20171856), (2, 10085928), (3, 6723952), (4, 5042964), (6, 3361976), (8, 2521482), (12, 1680988), (16, 1260741), (24, 840494), (48, 420247), (113, 178512), (226, 89256), (339, 59504), (452, 44628), (678, 29752), (904, 22314), (1356, 14876), (1808, 11157), (2712, 7438), (3719, 5424)]