20389632

素因数分解:

$2^8\times 3^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 54942720

約数和(自身を除く): 34553088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 139, 191, 192, 256, 278, 382, 384, 417, 556, 573, 764, 768, 834, 1112, 1146, 1528, 1668, 2224, 2292, 3056, 3336, 4448, 4584, 6112, 6672, 8896, 9168, 12224, 13344, 17792, 18336, 24448, 26549, 26688, 35584, 36672, 48896, 53098, 53376, 73344, 79647, 106196, 106752, 146688, 159294, 212392, 318588, 424784, 637176, 849568, 1274352, 1699136, 2548704, 3398272, 5097408, 6796544, 10194816, 20389632]

約数ペア:

[(1, 20389632), (2, 10194816), (3, 6796544), (4, 5097408), (6, 3398272), (8, 2548704), (12, 1699136), (16, 1274352), (24, 849568), (32, 637176), (48, 424784), (64, 318588), (96, 212392), (128, 159294), (139, 146688), (191, 106752), (192, 106196), (256, 79647), (278, 73344), (382, 53376), (384, 53098), (417, 48896), (556, 36672), (573, 35584), (764, 26688), (768, 26549), (834, 24448), (1112, 18336), (1146, 17792), (1528, 13344), (1668, 12224), (2224, 9168), (2292, 8896), (3056, 6672), (3336, 6112), (4448, 4584)]