20845890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5939}}^1$

素因数の和:5968

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 39029310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5939, 11878, 17817, 29695, 35634, 53451, 59390, 77207, 89085, 106902, 154414, 160353, 178170, 231621, 267255, 320706, 386035, 463242, 534510, 694863, 772070, 801765, 1158105, 1389726, 1603530, 2084589, 2316210, 3474315, 4169178, 6948630, 10422945, 20845890]

約数ペア:

[(1, 20845890), (2, 10422945), (3, 6948630), (5, 4169178), (6, 3474315), (9, 2316210), (10, 2084589), (13, 1603530), (15, 1389726), (18, 1158105), (26, 801765), (27, 772070), (30, 694863), (39, 534510), (45, 463242), (54, 386035), (65, 320706), (78, 267255), (90, 231621), (117, 178170), (130, 160353), (135, 154414), (195, 106902), (234, 89085), (270, 77207), (351, 59390), (390, 53451), (585, 35634), (702, 29695), (1170, 17817), (1755, 11878), (3510, 5939)]