20805532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22094948

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 607, 779, 836, 902, 1214, 1558, 1804, 2428, 3116, 6677, 8569, 11533, 13354, 17138, 23066, 24887, 26708, 34276, 46132, 49774, 99548, 126863, 253726, 273757, 472853, 507452, 547514, 945706, 1095028, 1891412, 5201383, 10402766, 20805532]

約数ペア:

[(1, 20805532), (2, 10402766), (4, 5201383), (11, 1891412), (19, 1095028), (22, 945706), (38, 547514), (41, 507452), (44, 472853), (76, 273757), (82, 253726), (164, 126863), (209, 99548), (418, 49774), (451, 46132), (607, 34276), (779, 26708), (836, 24887), (902, 23066), (1214, 17138), (1558, 13354), (1804, 11533), (2428, 8569), (3116, 6677)]