20507346

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 47586240

約数和(自身を除く): 27078894

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 983, 1098, 1159, 1966, 2318, 2949, 3477, 5898, 6954, 8847, 10431, 17694, 18677, 20862, 37354, 56031, 59963, 112062, 119926, 168093, 179889, 336186, 359778, 539667, 1079334, 1139297, 2278594, 3417891, 6835782, 10253673, 20507346]

約数ペア:

[(1, 20507346), (2, 10253673), (3, 6835782), (6, 3417891), (9, 2278594), (18, 1139297), (19, 1079334), (38, 539667), (57, 359778), (61, 336186), (114, 179889), (122, 168093), (171, 119926), (183, 112062), (342, 59963), (366, 56031), (549, 37354), (983, 20862), (1098, 18677), (1159, 17694), (1966, 10431), (2318, 8847), (2949, 6954), (3477, 5898)]