20760388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1307}}^1$

素因数の和:1360

約数の個数: 36

約数和(自身を含む): 41861232

約数和(自身を除く): 21100844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1307, 1444, 2614, 3971, 5228, 7942, 14377, 15884, 24833, 28754, 49666, 57508, 99332, 273163, 471827, 546326, 943654, 1092652, 1887308, 5190097, 10380194, 20760388]

約数ペア:

[(1, 20760388), (2, 10380194), (4, 5190097), (11, 1887308), (19, 1092652), (22, 943654), (38, 546326), (44, 471827), (76, 273163), (209, 99332), (361, 57508), (418, 49666), (722, 28754), (836, 24833), (1307, 15884), (1444, 14377), (2614, 7942), (3971, 5228)]