20391630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97103}}^1$

素因数の和:97120

約数の個数: 32

約数和(自身を含む): 55931904

約数和(自身を除く): 35540274

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97103, 194206, 291309, 485515, 582618, 679721, 971030, 1359442, 1456545, 2039163, 2913090, 3398605, 4078326, 6797210, 10195815, 20391630]

約数ペア:

[(1, 20391630), (2, 10195815), (3, 6797210), (5, 4078326), (6, 3398605), (7, 2913090), (10, 2039163), (14, 1456545), (15, 1359442), (21, 971030), (30, 679721), (35, 582618), (42, 485515), (70, 291309), (105, 194206), (210, 97103)]