20347936

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:726

約数の個数: 72

約数和(自身を含む): 49124880

約数和(自身を除く): 28776944

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 683, 784, 931, 1064, 1366, 1568, 1862, 2128, 2732, 3724, 4256, 4781, 5464, 7448, 9562, 10928, 12977, 14896, 19124, 21856, 25954, 29792, 33467, 38248, 51908, 66934, 76496, 90839, 103816, 133868, 152992, 181678, 207632, 267736, 363356, 415264, 535472, 635873, 726712, 1070944, 1271746, 1453424, 2543492, 2906848, 5086984, 10173968, 20347936]

約数ペア:

[(1, 20347936), (2, 10173968), (4, 5086984), (7, 2906848), (8, 2543492), (14, 1453424), (16, 1271746), (19, 1070944), (28, 726712), (32, 635873), (38, 535472), (49, 415264), (56, 363356), (76, 267736), (98, 207632), (112, 181678), (133, 152992), (152, 133868), (196, 103816), (224, 90839), (266, 76496), (304, 66934), (392, 51908), (532, 38248), (608, 33467), (683, 29792), (784, 25954), (931, 21856), (1064, 19124), (1366, 14896), (1568, 12977), (1862, 10928), (2128, 9562), (2732, 7448), (3724, 5464), (4256, 4781)]