20894868

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 56636160

約数和(自身を除く): 35741292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 79, 93, 108, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 837, 948, 1116, 1422, 1674, 2133, 2449, 2844, 3348, 4266, 4898, 6241, 7347, 8532, 9796, 12482, 14694, 18723, 22041, 24964, 29388, 37446, 44082, 56169, 66123, 74892, 88164, 112338, 132246, 168507, 193471, 224676, 264492, 337014, 386942, 580413, 674028, 773884, 1160826, 1741239, 2321652, 3482478, 5223717, 6964956, 10447434, 20894868]

約数ペア:

[(1, 20894868), (2, 10447434), (3, 6964956), (4, 5223717), (6, 3482478), (9, 2321652), (12, 1741239), (18, 1160826), (27, 773884), (31, 674028), (36, 580413), (54, 386942), (62, 337014), (79, 264492), (93, 224676), (108, 193471), (124, 168507), (158, 132246), (186, 112338), (237, 88164), (279, 74892), (316, 66123), (372, 56169), (474, 44082), (558, 37446), (711, 29388), (837, 24964), (948, 22041), (1116, 18723), (1422, 14694), (1674, 12482), (2133, 9796), (2449, 8532), (2844, 7347), (3348, 6241), (4266, 4898)]