20802390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5827}}^1$

素因数の和:5861

約数の個数: 64

約数和(自身を含む): 60424704

約数和(自身を除く): 39622314

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5827, 11654, 17481, 29135, 34962, 40789, 58270, 81578, 87405, 99059, 122367, 174810, 198118, 203945, 244734, 297177, 407890, 495295, 594354, 611835, 693413, 990590, 1223670, 1386826, 1485885, 2080239, 2971770, 3467065, 4160478, 6934130, 10401195, 20802390]

約数ペア:

[(1, 20802390), (2, 10401195), (3, 6934130), (5, 4160478), (6, 3467065), (7, 2971770), (10, 2080239), (14, 1485885), (15, 1386826), (17, 1223670), (21, 990590), (30, 693413), (34, 611835), (35, 594354), (42, 495295), (51, 407890), (70, 297177), (85, 244734), (102, 203945), (105, 198118), (119, 174810), (170, 122367), (210, 99059), (238, 87405), (255, 81578), (357, 58270), (510, 40789), (595, 34962), (714, 29135), (1190, 17481), (1785, 11654), (3570, 5827)]