20039668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 41174784

約数和(自身を除く): 21135116

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 73, 146, 187, 292, 367, 374, 734, 748, 803, 1241, 1468, 1606, 2482, 3212, 4037, 4964, 6239, 8074, 12478, 13651, 16148, 24956, 26791, 27302, 53582, 54604, 68629, 107164, 137258, 274516, 294701, 455447, 589402, 910894, 1178804, 1821788, 5009917, 10019834, 20039668]

約数ペア:

[(1, 20039668), (2, 10019834), (4, 5009917), (11, 1821788), (17, 1178804), (22, 910894), (34, 589402), (44, 455447), (68, 294701), (73, 274516), (146, 137258), (187, 107164), (292, 68629), (367, 54604), (374, 53582), (734, 27302), (748, 26791), (803, 24956), (1241, 16148), (1468, 13651), (1606, 12478), (2482, 8074), (3212, 6239), (4037, 4964)]