20818350

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{2203}}^1$

素因数の和:2231

約数の個数: 96

約数和(自身を含む): 65591040

約数和(自身を除く): 44772690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 2203, 3150, 4406, 4725, 6609, 9450, 11015, 13218, 15421, 19827, 22030, 30842, 33045, 39654, 46263, 55075, 59481, 66090, 77105, 92526, 99135, 110150, 118962, 138789, 154210, 165225, 198270, 231315, 277578, 297405, 330450, 385525, 416367, 462630, 495675, 594810, 693945, 771050, 832734, 991350, 1156575, 1387890, 1487025, 2081835, 2313150, 2974050, 3469725, 4163670, 6939450, 10409175, 20818350]

約数ペア:

[(1, 20818350), (2, 10409175), (3, 6939450), (5, 4163670), (6, 3469725), (7, 2974050), (9, 2313150), (10, 2081835), (14, 1487025), (15, 1387890), (18, 1156575), (21, 991350), (25, 832734), (27, 771050), (30, 693945), (35, 594810), (42, 495675), (45, 462630), (50, 416367), (54, 385525), (63, 330450), (70, 297405), (75, 277578), (90, 231315), (105, 198270), (126, 165225), (135, 154210), (150, 138789), (175, 118962), (189, 110150), (210, 99135), (225, 92526), (270, 77105), (315, 66090), (350, 59481), (378, 55075), (450, 46263), (525, 39654), (630, 33045), (675, 30842), (945, 22030), (1050, 19827), (1350, 15421), (1575, 13218), (1890, 11015), (2203, 9450), (3150, 6609), (4406, 4725)]