20770890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98909}}^1$

素因数の和:98926

約数の個数: 32

約数和(自身を含む): 56972160

約数和(自身を除く): 36201270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98909, 197818, 296727, 494545, 593454, 692363, 989090, 1384726, 1483635, 2077089, 2967270, 3461815, 4154178, 6923630, 10385445, 20770890]

約数ペア:

[(1, 20770890), (2, 10385445), (3, 6923630), (5, 4154178), (6, 3461815), (7, 2967270), (10, 2077089), (14, 1483635), (15, 1384726), (21, 989090), (30, 692363), (35, 593454), (42, 494545), (70, 296727), (105, 197818), (210, 98909)]