20189792

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 45777312

約数和(自身を除く): 25587520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 521, 692, 1042, 1211, 1384, 2084, 2422, 2768, 3647, 4168, 4844, 5536, 7294, 8336, 9688, 14588, 16672, 19376, 29176, 38752, 58352, 90133, 116704, 180266, 360532, 630931, 721064, 1261862, 1442128, 2523724, 2884256, 5047448, 10094896, 20189792]

約数ペア:

[(1, 20189792), (2, 10094896), (4, 5047448), (7, 2884256), (8, 2523724), (14, 1442128), (16, 1261862), (28, 721064), (32, 630931), (56, 360532), (112, 180266), (173, 116704), (224, 90133), (346, 58352), (521, 38752), (692, 29176), (1042, 19376), (1211, 16672), (1384, 14588), (2084, 9688), (2422, 8336), (2768, 7294), (3647, 5536), (4168, 4844)]