20042207718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1\times {\mathrm{1979}}^1$

素因数の和:2981

約数の個数: 64

約数和(自身を含む): 43517295360

約数和(自身を除く): 23475087642

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 827, 942, 1654, 1979, 2041, 2481, 3958, 4082, 4962, 5937, 6123, 10751, 11874, 12246, 21502, 25727, 32253, 51454, 64506, 77181, 129839, 154362, 259678, 310703, 389517, 621406, 779034, 932109, 1636633, 1687907, 1864218, 3273266, 3375814, 4039139, 4909899, 5063721, 8078278, 9819798, 10127442, 12117417, 21276229, 24234834, 42552458, 63828687, 127657374, 256951381, 513902762, 770854143, 1541708286, 3340367953, 6680735906, 10021103859, 20042207718]

約数ペア:

[(1, 20042207718), (2, 10021103859), (3, 6680735906), (6, 3340367953), (13, 1541708286), (26, 770854143), (39, 513902762), (78, 256951381), (157, 127657374), (314, 63828687), (471, 42552458), (827, 24234834), (942, 21276229), (1654, 12117417), (1979, 10127442), (2041, 9819798), (2481, 8078278), (3958, 5063721), (4082, 4909899), (4962, 4039139), (5937, 3375814), (6123, 3273266), (10751, 1864218), (11874, 1687907), (12246, 1636633), (21502, 932109), (25727, 779034), (32253, 621406), (51454, 389517), (64506, 310703), (77181, 259678), (129839, 154362)]