20852286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 51856896

約数和(自身を除く): 31004610

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 181, 182, 211, 273, 362, 422, 543, 546, 633, 1086, 1266, 1267, 1477, 2353, 2534, 2743, 2954, 3801, 4431, 4706, 5486, 7059, 7602, 8229, 8862, 14118, 16458, 16471, 19201, 32942, 38191, 38402, 49413, 57603, 76382, 98826, 114573, 115206, 229146, 267337, 496483, 534674, 802011, 992966, 1489449, 1604022, 2978898, 3475381, 6950762, 10426143, 20852286]

約数ペア:

[(1, 20852286), (2, 10426143), (3, 6950762), (6, 3475381), (7, 2978898), (13, 1604022), (14, 1489449), (21, 992966), (26, 802011), (39, 534674), (42, 496483), (78, 267337), (91, 229146), (181, 115206), (182, 114573), (211, 98826), (273, 76382), (362, 57603), (422, 49413), (543, 38402), (546, 38191), (633, 32942), (1086, 19201), (1266, 16471), (1267, 16458), (1477, 14118), (2353, 8862), (2534, 8229), (2743, 7602), (2954, 7059), (3801, 5486), (4431, 4706)]