20745100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12203}}^1$

素因数の和:12234

約数の個数: 36

約数和(自身を含む): 47668824

約数和(自身を除く): 26923724

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12203, 24406, 48812, 61015, 122030, 207451, 244060, 305075, 414902, 610150, 829804, 1037255, 1220300, 2074510, 4149020, 5186275, 10372550, 20745100]

約数ペア:

[(1, 20745100), (2, 10372550), (4, 5186275), (5, 4149020), (10, 2074510), (17, 1220300), (20, 1037255), (25, 829804), (34, 610150), (50, 414902), (68, 305075), (85, 244060), (100, 207451), (170, 122030), (340, 61015), (425, 48812), (850, 24406), (1700, 12203)]