20642100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 60516960

約数和(自身を除く): 39874860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 829, 830, 996, 1245, 1658, 1660, 2075, 2487, 2490, 3316, 4145, 4150, 4974, 4980, 6225, 8290, 8300, 9948, 12435, 12450, 16580, 20725, 24870, 24900, 41450, 49740, 62175, 68807, 82900, 124350, 137614, 206421, 248700, 275228, 344035, 412842, 688070, 825684, 1032105, 1376140, 1720175, 2064210, 3440350, 4128420, 5160525, 6880700, 10321050, 20642100]

約数ペア:

[(1, 20642100), (2, 10321050), (3, 6880700), (4, 5160525), (5, 4128420), (6, 3440350), (10, 2064210), (12, 1720175), (15, 1376140), (20, 1032105), (25, 825684), (30, 688070), (50, 412842), (60, 344035), (75, 275228), (83, 248700), (100, 206421), (150, 137614), (166, 124350), (249, 82900), (300, 68807), (332, 62175), (415, 49740), (498, 41450), (829, 24900), (830, 24870), (996, 20725), (1245, 16580), (1658, 12450), (1660, 12435), (2075, 9948), (2487, 8300), (2490, 8290), (3316, 6225), (4145, 4980), (4150, 4974)]