20844120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15791}}^1$

素因数の和:15816

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 47377320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15791, 31582, 47373, 63164, 78955, 94746, 126328, 157910, 173701, 189492, 236865, 315820, 347402, 378984, 473730, 521103, 631640, 694804, 868505, 947460, 1042206, 1389608, 1737010, 1894920, 2084412, 2605515, 3474020, 4168824, 5211030, 6948040, 10422060, 20844120]

約数ペア:

[(1, 20844120), (2, 10422060), (3, 6948040), (4, 5211030), (5, 4168824), (6, 3474020), (8, 2605515), (10, 2084412), (11, 1894920), (12, 1737010), (15, 1389608), (20, 1042206), (22, 947460), (24, 868505), (30, 694804), (33, 631640), (40, 521103), (44, 473730), (55, 378984), (60, 347402), (66, 315820), (88, 236865), (110, 189492), (120, 173701), (132, 157910), (165, 126328), (220, 94746), (264, 78955), (330, 63164), (440, 47373), (660, 31582), (1320, 15791)]