20478602148

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{132527}}^1$

素因数の和:132776

約数の個数: 48

約数和(自身を含む): 48685486080

約数和(自身を除く): 28206883932

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 163, 237, 316, 326, 474, 489, 652, 948, 978, 1956, 12877, 25754, 38631, 51508, 77262, 132527, 154524, 265054, 397581, 530108, 795162, 1590324, 10469633, 20939266, 21601901, 31408899, 41878532, 43203802, 62817798, 64805703, 86407604, 125635596, 129611406, 259222812, 1706550179, 3413100358, 5119650537, 6826200716, 10239301074, 20478602148]

約数ペア:

[(1, 20478602148), (2, 10239301074), (3, 6826200716), (4, 5119650537), (6, 3413100358), (12, 1706550179), (79, 259222812), (158, 129611406), (163, 125635596), (237, 86407604), (316, 64805703), (326, 62817798), (474, 43203802), (489, 41878532), (652, 31408899), (948, 21601901), (978, 20939266), (1956, 10469633), (12877, 1590324), (25754, 795162), (38631, 530108), (51508, 397581), (77262, 265054), (132527, 154524)]