20784870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3347}}^1$

素因数の和:3386

約数の個数: 64

約数和(自身を含む): 57853440

約数和(自身を除く): 37068570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3347, 6210, 6694, 10041, 16735, 20082, 30123, 33470, 50205, 60246, 76981, 90369, 100410, 150615, 153962, 180738, 230943, 301230, 384905, 451845, 461886, 692829, 769810, 903690, 1154715, 1385658, 2078487, 2309430, 3464145, 4156974, 6928290, 10392435, 20784870]

約数ペア:

[(1, 20784870), (2, 10392435), (3, 6928290), (5, 4156974), (6, 3464145), (9, 2309430), (10, 2078487), (15, 1385658), (18, 1154715), (23, 903690), (27, 769810), (30, 692829), (45, 461886), (46, 451845), (54, 384905), (69, 301230), (90, 230943), (115, 180738), (135, 153962), (138, 150615), (207, 100410), (230, 90369), (270, 76981), (345, 60246), (414, 50205), (621, 33470), (690, 30123), (1035, 20082), (1242, 16735), (2070, 10041), (3105, 6694), (3347, 6210)]