20193195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 39066624

約数和(自身を除く): 18873429

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 313, 345, 391, 561, 759, 935, 939, 1173, 1265, 1565, 1955, 2805, 3443, 3795, 4301, 4695, 5321, 5865, 7199, 10329, 12903, 15963, 17215, 21505, 21597, 26605, 35995, 51645, 58531, 64515, 79189, 79815, 107985, 122383, 175593, 237567, 292655, 367149, 395945, 611915, 877965, 1187835, 1346213, 1835745, 4038639, 6731065, 20193195]

約数ペア:

[(1, 20193195), (3, 6731065), (5, 4038639), (11, 1835745), (15, 1346213), (17, 1187835), (23, 877965), (33, 611915), (51, 395945), (55, 367149), (69, 292655), (85, 237567), (115, 175593), (165, 122383), (187, 107985), (253, 79815), (255, 79189), (313, 64515), (345, 58531), (391, 51645), (561, 35995), (759, 26605), (935, 21597), (939, 21505), (1173, 17215), (1265, 15963), (1565, 12903), (1955, 10329), (2805, 7199), (3443, 5865), (3795, 5321), (4301, 4695)]