20295522

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 51226560

約数和(自身を除く): 30931038

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 419, 598, 621, 702, 838, 897, 1053, 1242, 1257, 1794, 1863, 2106, 2514, 2691, 3726, 3771, 5382, 5447, 7542, 8073, 9637, 10894, 11313, 16146, 16341, 19274, 22626, 24219, 28911, 32682, 33939, 48438, 49023, 57822, 67878, 86733, 98046, 125281, 147069, 173466, 250562, 260199, 294138, 375843, 441207, 520398, 751686, 780597, 882414, 1127529, 1561194, 2255058, 3382587, 6765174, 10147761, 20295522]

約数ペア:

[(1, 20295522), (2, 10147761), (3, 6765174), (6, 3382587), (9, 2255058), (13, 1561194), (18, 1127529), (23, 882414), (26, 780597), (27, 751686), (39, 520398), (46, 441207), (54, 375843), (69, 294138), (78, 260199), (81, 250562), (117, 173466), (138, 147069), (162, 125281), (207, 98046), (234, 86733), (299, 67878), (351, 57822), (414, 49023), (419, 48438), (598, 33939), (621, 32682), (702, 28911), (838, 24219), (897, 22626), (1053, 19274), (1242, 16341), (1257, 16146), (1794, 11313), (1863, 10894), (2106, 9637), (2514, 8073), (2691, 7542), (3726, 5447), (3771, 5382)]