20113740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 61549488

約数和(自身を除く): 41435748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 853, 1179, 1310, 1572, 1706, 1965, 2358, 2559, 2620, 3412, 3930, 4265, 4716, 5118, 5895, 7677, 7860, 8530, 10236, 11790, 12795, 15354, 17060, 23580, 25590, 30708, 38385, 51180, 76770, 111743, 153540, 223486, 335229, 446972, 558715, 670458, 1005687, 1117430, 1340916, 1676145, 2011374, 2234860, 3352290, 4022748, 5028435, 6704580, 10056870, 20113740]

約数ペア:

[(1, 20113740), (2, 10056870), (3, 6704580), (4, 5028435), (5, 4022748), (6, 3352290), (9, 2234860), (10, 2011374), (12, 1676145), (15, 1340916), (18, 1117430), (20, 1005687), (30, 670458), (36, 558715), (45, 446972), (60, 335229), (90, 223486), (131, 153540), (180, 111743), (262, 76770), (393, 51180), (524, 38385), (655, 30708), (786, 25590), (853, 23580), (1179, 17060), (1310, 15354), (1572, 12795), (1706, 11790), (1965, 10236), (2358, 8530), (2559, 7860), (2620, 7677), (3412, 5895), (3930, 5118), (4265, 4716)]