20105112

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 52853760

約数和(自身を除く): 32748648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 61, 62, 93, 122, 124, 183, 186, 244, 248, 366, 372, 443, 488, 732, 744, 886, 1329, 1464, 1772, 1891, 2658, 3544, 3782, 5316, 5673, 7564, 10632, 11346, 13733, 15128, 22692, 27023, 27466, 41199, 45384, 54046, 54932, 81069, 82398, 108092, 109864, 162138, 164796, 216184, 324276, 329592, 648552, 837713, 1675426, 2513139, 3350852, 5026278, 6701704, 10052556, 20105112]

約数ペア:

[(1, 20105112), (2, 10052556), (3, 6701704), (4, 5026278), (6, 3350852), (8, 2513139), (12, 1675426), (24, 837713), (31, 648552), (61, 329592), (62, 324276), (93, 216184), (122, 164796), (124, 162138), (183, 109864), (186, 108092), (244, 82398), (248, 81069), (366, 54932), (372, 54046), (443, 45384), (488, 41199), (732, 27466), (744, 27023), (886, 22692), (1329, 15128), (1464, 13733), (1772, 11346), (1891, 10632), (2658, 7564), (3544, 5673), (3782, 5316)]