20186787036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{463}}^1\times {\mathrm{21499}}^1$

素因数の和:21995

約数の個数: 72

約数和(自身を含む): 51117024000

約数和(自身を除く): 30930236964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 463, 507, 676, 926, 1014, 1389, 1852, 2028, 2778, 5556, 6019, 12038, 18057, 21499, 24076, 36114, 42998, 64497, 72228, 78247, 85996, 128994, 156494, 234741, 257988, 279487, 312988, 469482, 558974, 838461, 938964, 1117948, 1676922, 3353844, 3633331, 7266662, 9954037, 10899993, 14533324, 19908074, 21799986, 29862111, 39816148, 43599972, 59724222, 119448444, 129402481, 258804962, 388207443, 517609924, 776414886, 1552829772, 1682232253, 3364464506, 5046696759, 6728929012, 10093393518, 20186787036]

約数ペア:

[(1, 20186787036), (2, 10093393518), (3, 6728929012), (4, 5046696759), (6, 3364464506), (12, 1682232253), (13, 1552829772), (26, 776414886), (39, 517609924), (52, 388207443), (78, 258804962), (156, 129402481), (169, 119448444), (338, 59724222), (463, 43599972), (507, 39816148), (676, 29862111), (926, 21799986), (1014, 19908074), (1389, 14533324), (1852, 10899993), (2028, 9954037), (2778, 7266662), (5556, 3633331), (6019, 3353844), (12038, 1676922), (18057, 1117948), (21499, 938964), (24076, 838461), (36114, 558974), (42998, 469482), (64497, 312988), (72228, 279487), (78247, 257988), (85996, 234741), (128994, 156494)]