20347360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1051}}^1$

素因数の和:1088

約数の個数: 72

約数和(自身を含む): 52888248

約数和(自身を除く): 32540888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1051, 1210, 1760, 1936, 2102, 2420, 3872, 4204, 4840, 5255, 8408, 9680, 10510, 11561, 16816, 19360, 21020, 23122, 33632, 42040, 46244, 57805, 84080, 92488, 115610, 127171, 168160, 184976, 231220, 254342, 369952, 462440, 508684, 635855, 924880, 1017368, 1271710, 1849760, 2034736, 2543420, 4069472, 5086840, 10173680, 20347360]

約数ペア:

[(1, 20347360), (2, 10173680), (4, 5086840), (5, 4069472), (8, 2543420), (10, 2034736), (11, 1849760), (16, 1271710), (20, 1017368), (22, 924880), (32, 635855), (40, 508684), (44, 462440), (55, 369952), (80, 254342), (88, 231220), (110, 184976), (121, 168160), (160, 127171), (176, 115610), (220, 92488), (242, 84080), (352, 57805), (440, 46244), (484, 42040), (605, 33632), (880, 23122), (968, 21020), (1051, 19360), (1210, 16816), (1760, 11561), (1936, 10510), (2102, 9680), (2420, 8408), (3872, 5255), (4204, 4840)]