20171120896

素因数分解:

$2^8\times {\mathrm{383}}^1\times {\mathrm{409}}^1\times {\mathrm{503}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 40547727360

約数和(自身を除く): 20376606464

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 383, 409, 503, 766, 818, 1006, 1532, 1636, 2012, 3064, 3272, 4024, 6128, 6544, 8048, 12256, 13088, 16096, 24512, 26176, 32192, 49024, 52352, 64384, 98048, 104704, 128768, 156647, 192649, 205727, 313294, 385298, 411454, 626588, 770596, 822908, 1253176, 1541192, 1645816, 2506352, 3082384, 3291632, 5012704, 6164768, 6583264, 10025408, 12329536, 13166528, 20050816, 24659072, 26333056, 40101632, 49318144, 52666112, 78793441, 157586882, 315173764, 630347528, 1260695056, 2521390112, 5042780224, 10085560448, 20171120896]

約数ペア:

[(1, 20171120896), (2, 10085560448), (4, 5042780224), (8, 2521390112), (16, 1260695056), (32, 630347528), (64, 315173764), (128, 157586882), (256, 78793441), (383, 52666112), (409, 49318144), (503, 40101632), (766, 26333056), (818, 24659072), (1006, 20050816), (1532, 13166528), (1636, 12329536), (2012, 10025408), (3064, 6583264), (3272, 6164768), (4024, 5012704), (6128, 3291632), (6544, 3082384), (8048, 2506352), (12256, 1645816), (13088, 1541192), (16096, 1253176), (24512, 822908), (26176, 770596), (32192, 626588), (49024, 411454), (52352, 385298), (64384, 313294), (98048, 205727), (104704, 192649), (128768, 156647)]