20226180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25931}}^1$

素因数の和:25956

約数の個数: 48

約数和(自身を含む): 60992064

約数和(自身を除く): 40765884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25931, 51862, 77793, 103724, 129655, 155586, 259310, 311172, 337103, 388965, 518620, 674206, 777930, 1011309, 1348412, 1555860, 1685515, 2022618, 3371030, 4045236, 5056545, 6742060, 10113090, 20226180]

約数ペア:

[(1, 20226180), (2, 10113090), (3, 6742060), (4, 5056545), (5, 4045236), (6, 3371030), (10, 2022618), (12, 1685515), (13, 1555860), (15, 1348412), (20, 1011309), (26, 777930), (30, 674206), (39, 518620), (52, 388965), (60, 337103), (65, 311172), (78, 259310), (130, 155586), (156, 129655), (195, 103724), (260, 77793), (390, 51862), (780, 25931)]