20530440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8147}}^1$

素因数の和:8171

約数の個数: 96

約数和(自身を含む): 76265280

約数和(自身を除く): 55734840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8147, 16294, 24441, 32588, 40735, 48882, 57029, 65176, 73323, 81470, 97764, 114058, 122205, 146646, 162940, 171087, 195528, 228116, 244410, 285145, 293292, 325880, 342174, 366615, 456232, 488820, 513261, 570290, 586584, 684348, 733230, 855435, 977640, 1026522, 1140580, 1368696, 1466460, 1710870, 2053044, 2281160, 2566305, 2932920, 3421740, 4106088, 5132610, 6843480, 10265220, 20530440]

約数ペア:

[(1, 20530440), (2, 10265220), (3, 6843480), (4, 5132610), (5, 4106088), (6, 3421740), (7, 2932920), (8, 2566305), (9, 2281160), (10, 2053044), (12, 1710870), (14, 1466460), (15, 1368696), (18, 1140580), (20, 1026522), (21, 977640), (24, 855435), (28, 733230), (30, 684348), (35, 586584), (36, 570290), (40, 513261), (42, 488820), (45, 456232), (56, 366615), (60, 342174), (63, 325880), (70, 293292), (72, 285145), (84, 244410), (90, 228116), (105, 195528), (120, 171087), (126, 162940), (140, 146646), (168, 122205), (180, 114058), (210, 97764), (252, 81470), (280, 73323), (315, 65176), (360, 57029), (420, 48882), (504, 40735), (630, 32588), (840, 24441), (1260, 16294), (2520, 8147)]