20045808

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1422

約数の個数: 60

約数和(自身を含む): 56668248

約数和(自身を除く): 36622440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1284, 1301, 1712, 1926, 2568, 2602, 3852, 3903, 5136, 5204, 7704, 7806, 10408, 11709, 15408, 15612, 20816, 23418, 31224, 46836, 62448, 93672, 139207, 187344, 278414, 417621, 556828, 835242, 1113656, 1252863, 1670484, 2227312, 2505726, 3340968, 5011452, 6681936, 10022904, 20045808]

約数ペア:

[(1, 20045808), (2, 10022904), (3, 6681936), (4, 5011452), (6, 3340968), (8, 2505726), (9, 2227312), (12, 1670484), (16, 1252863), (18, 1113656), (24, 835242), (36, 556828), (48, 417621), (72, 278414), (107, 187344), (144, 139207), (214, 93672), (321, 62448), (428, 46836), (642, 31224), (856, 23418), (963, 20816), (1284, 15612), (1301, 15408), (1712, 11709), (1926, 10408), (2568, 7806), (2602, 7704), (3852, 5204), (3903, 5136)]