20889492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 31889388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 359, 373, 718, 746, 1077, 1119, 1436, 1492, 2154, 2238, 4308, 4476, 4667, 4849, 9334, 9698, 14001, 14547, 18668, 19396, 28002, 29094, 56004, 58188, 133907, 267814, 401721, 535628, 803442, 1606884, 1740791, 3481582, 5222373, 6963164, 10444746, 20889492]

約数ペア:

[(1, 20889492), (2, 10444746), (3, 6963164), (4, 5222373), (6, 3481582), (12, 1740791), (13, 1606884), (26, 803442), (39, 535628), (52, 401721), (78, 267814), (156, 133907), (359, 58188), (373, 56004), (718, 29094), (746, 28002), (1077, 19396), (1119, 18668), (1436, 14547), (1492, 14001), (2154, 9698), (2238, 9334), (4308, 4849), (4476, 4667)]