20806746

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22531494

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 197, 394, 591, 607, 1182, 1214, 1821, 3642, 5713, 11426, 17139, 17603, 34278, 35206, 52809, 105618, 119579, 239158, 358737, 717474, 3467791, 6935582, 10403373, 20806746]

約数ペア:

[(1, 20806746), (2, 10403373), (3, 6935582), (6, 3467791), (29, 717474), (58, 358737), (87, 239158), (174, 119579), (197, 105618), (394, 52809), (591, 35206), (607, 34278), (1182, 17603), (1214, 17139), (1821, 11426), (3642, 5713)]