20622264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 56007840

約数和(自身を除く): 35385576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 421, 471, 628, 842, 942, 1256, 1263, 1684, 1884, 2041, 2526, 3368, 3768, 4082, 5052, 5473, 6123, 8164, 10104, 10946, 12246, 16328, 16419, 21892, 24492, 32838, 43784, 48984, 65676, 66097, 131352, 132194, 198291, 264388, 396582, 528776, 793164, 859261, 1586328, 1718522, 2577783, 3437044, 5155566, 6874088, 10311132, 20622264]

約数ペア:

[(1, 20622264), (2, 10311132), (3, 6874088), (4, 5155566), (6, 3437044), (8, 2577783), (12, 1718522), (13, 1586328), (24, 859261), (26, 793164), (39, 528776), (52, 396582), (78, 264388), (104, 198291), (156, 132194), (157, 131352), (312, 66097), (314, 65676), (421, 48984), (471, 43784), (628, 32838), (842, 24492), (942, 21892), (1256, 16419), (1263, 16328), (1684, 12246), (1884, 10946), (2041, 10104), (2526, 8164), (3368, 6123), (3768, 5473), (4082, 5052)]