20665638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2418

約数の個数: 64

約数和(自身を含む): 54789120

約数和(自身を除く): 34123482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2377, 2898, 4347, 4754, 7131, 8694, 14262, 16639, 21393, 33278, 42786, 49917, 54671, 64179, 99834, 109342, 128358, 149751, 164013, 299502, 328026, 382697, 449253, 492039, 765394, 898506, 984078, 1148091, 1476117, 2296182, 2952234, 3444273, 6888546, 10332819, 20665638]

約数ペア:

[(1, 20665638), (2, 10332819), (3, 6888546), (6, 3444273), (7, 2952234), (9, 2296182), (14, 1476117), (18, 1148091), (21, 984078), (23, 898506), (27, 765394), (42, 492039), (46, 449253), (54, 382697), (63, 328026), (69, 299502), (126, 164013), (138, 149751), (161, 128358), (189, 109342), (207, 99834), (322, 64179), (378, 54671), (414, 49917), (483, 42786), (621, 33278), (966, 21393), (1242, 16639), (1449, 14262), (2377, 8694), (2898, 7131), (4347, 4754)]