20793070

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17775890

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 383, 445, 610, 766, 890, 1915, 3830, 5429, 10858, 23363, 27145, 34087, 46726, 54290, 68174, 116815, 170435, 233630, 340870, 2079307, 4158614, 10396535, 20793070]

約数ペア:

[(1, 20793070), (2, 10396535), (5, 4158614), (10, 2079307), (61, 340870), (89, 233630), (122, 170435), (178, 116815), (305, 68174), (383, 54290), (445, 46726), (610, 34087), (766, 27145), (890, 23363), (1915, 10858), (3830, 5429)]