20916528

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25633}}^1$

素因数の和:25661

約数の個数: 40

約数和(自身を含む): 57215088

約数和(自身を除く): 36298560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25633, 51266, 76899, 102532, 153798, 205064, 307596, 410128, 435761, 615192, 871522, 1230384, 1307283, 1743044, 2614566, 3486088, 5229132, 6972176, 10458264, 20916528]

約数ペア:

[(1, 20916528), (2, 10458264), (3, 6972176), (4, 5229132), (6, 3486088), (8, 2614566), (12, 1743044), (16, 1307283), (17, 1230384), (24, 871522), (34, 615192), (48, 435761), (51, 410128), (68, 307596), (102, 205064), (136, 153798), (204, 102532), (272, 76899), (408, 51266), (816, 25633)]