20471958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 27881802

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 983, 1157, 1602, 1966, 2314, 2949, 3471, 5898, 6942, 8847, 10413, 12779, 17694, 20826, 25558, 38337, 76674, 87487, 115011, 174974, 230022, 262461, 524922, 787383, 1137331, 1574766, 2274662, 3411993, 6823986, 10235979, 20471958]

約数ペア:

[(1, 20471958), (2, 10235979), (3, 6823986), (6, 3411993), (9, 2274662), (13, 1574766), (18, 1137331), (26, 787383), (39, 524922), (78, 262461), (89, 230022), (117, 174974), (178, 115011), (234, 87487), (267, 76674), (534, 38337), (801, 25558), (983, 20826), (1157, 17694), (1602, 12779), (1966, 10413), (2314, 8847), (2949, 6942), (3471, 5898)]