20564622

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3821}}^1$

素因数の和:3865

約数の個数: 48

約数和(自身を含む): 50083488

約数和(自身を除く): 29518866

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3821, 5382, 7642, 11463, 22926, 34389, 49673, 68778, 87883, 99346, 149019, 175766, 263649, 298038, 447057, 527298, 790947, 894114, 1142479, 1581894, 2284958, 3427437, 6854874, 10282311, 20564622]

約数ペア:

[(1, 20564622), (2, 10282311), (3, 6854874), (6, 3427437), (9, 2284958), (13, 1581894), (18, 1142479), (23, 894114), (26, 790947), (39, 527298), (46, 447057), (69, 298038), (78, 263649), (117, 175766), (138, 149019), (207, 99346), (234, 87883), (299, 68778), (414, 49673), (598, 34389), (897, 22926), (1794, 11463), (2691, 7642), (3821, 5382)]