20797046904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{306091}}^1$

素因数の和:306268

約数の個数: 64

約数和(自身を含む): 55096560000

約数和(自身を除く): 34299513096

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 149, 152, 228, 298, 447, 456, 596, 894, 1192, 1788, 2831, 3576, 5662, 8493, 11324, 16986, 22648, 33972, 67944, 306091, 612182, 918273, 1224364, 1836546, 2448728, 3673092, 5815729, 7346184, 11631458, 17447187, 23262916, 34894374, 45607559, 46525832, 69788748, 91215118, 136822677, 139577496, 182430236, 273645354, 364860472, 547290708, 866543621, 1094581416, 1733087242, 2599630863, 3466174484, 5199261726, 6932348968, 10398523452, 20797046904]

約数ペア:

[(1, 20797046904), (2, 10398523452), (3, 6932348968), (4, 5199261726), (6, 3466174484), (8, 2599630863), (12, 1733087242), (19, 1094581416), (24, 866543621), (38, 547290708), (57, 364860472), (76, 273645354), (114, 182430236), (149, 139577496), (152, 136822677), (228, 91215118), (298, 69788748), (447, 46525832), (456, 45607559), (596, 34894374), (894, 23262916), (1192, 17447187), (1788, 11631458), (2831, 7346184), (3576, 5815729), (5662, 3673092), (8493, 2448728), (11324, 1836546), (16986, 1224364), (22648, 918273), (33972, 612182), (67944, 306091)]