20696852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1303}}^1$

素因数の和:1356

約数の個数: 36

約数和(自身を含む): 41733216

約数和(自身を除く): 21036364

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1303, 1444, 2606, 3971, 5212, 7942, 14333, 15884, 24757, 28666, 49514, 57332, 99028, 272327, 470383, 544654, 940766, 1089308, 1881532, 5174213, 10348426, 20696852]

約数ペア:

[(1, 20696852), (2, 10348426), (4, 5174213), (11, 1881532), (19, 1089308), (22, 940766), (38, 544654), (44, 470383), (76, 272327), (209, 99028), (361, 57332), (418, 49514), (722, 28666), (836, 24757), (1303, 15884), (1444, 14333), (2606, 7942), (3971, 5212)]