20395656

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1237}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 55524300

約数和(自身を除く): 35128644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1237, 1374, 1832, 2061, 2474, 2748, 3711, 4122, 4948, 5496, 7422, 8244, 9896, 11133, 14844, 16488, 22266, 29688, 44532, 89064, 283273, 566546, 849819, 1133092, 1699638, 2266184, 2549457, 3399276, 5098914, 6798552, 10197828, 20395656]

約数ペア:

[(1, 20395656), (2, 10197828), (3, 6798552), (4, 5098914), (6, 3399276), (8, 2549457), (9, 2266184), (12, 1699638), (18, 1133092), (24, 849819), (36, 566546), (72, 283273), (229, 89064), (458, 44532), (687, 29688), (916, 22266), (1237, 16488), (1374, 14844), (1832, 11133), (2061, 9896), (2474, 8244), (2748, 7422), (3711, 5496), (4122, 4948)]