20440380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3373}}^1$

素因数の和:3486

約数の個数: 48

約数和(自身を含む): 57816864

約数和(自身を除く): 37376484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3373, 6060, 6746, 10119, 13492, 16865, 20238, 33730, 40476, 50595, 67460, 101190, 202380, 340673, 681346, 1022019, 1362692, 1703365, 2044038, 3406730, 4088076, 5110095, 6813460, 10220190, 20440380]

約数ペア:

[(1, 20440380), (2, 10220190), (3, 6813460), (4, 5110095), (5, 4088076), (6, 3406730), (10, 2044038), (12, 1703365), (15, 1362692), (20, 1022019), (30, 681346), (60, 340673), (101, 202380), (202, 101190), (303, 67460), (404, 50595), (505, 40476), (606, 33730), (1010, 20238), (1212, 16865), (1515, 13492), (2020, 10119), (3030, 6746), (3373, 6060)]