20771524802

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 37489029120

約数和(自身を除く): 16717504318

約数列:

[1, 2, 7, 14, 23, 46, 161, 179, 322, 358, 557, 647, 1114, 1253, 1294, 2506, 3899, 4117, 4529, 7798, 8234, 9058, 12811, 14881, 25622, 28819, 29762, 57638, 89677, 99703, 104167, 115813, 179354, 199406, 208334, 231626, 360379, 697921, 720758, 810691, 1395842, 1621382, 2293169, 2522653, 2663699, 4586338, 5045306, 5327398, 8288717, 16052183, 16577434, 18645893, 32104366, 37291786, 58021019, 64507841, 116042038, 129015682, 451554887, 903109774, 1483680343, 2967360686, 10385762401, 20771524802]

約数ペア:

[(1, 20771524802), (2, 10385762401), (7, 2967360686), (14, 1483680343), (23, 903109774), (46, 451554887), (161, 129015682), (179, 116042038), (322, 64507841), (358, 58021019), (557, 37291786), (647, 32104366), (1114, 18645893), (1253, 16577434), (1294, 16052183), (2506, 8288717), (3899, 5327398), (4117, 5045306), (4529, 4586338), (7798, 2663699), (8234, 2522653), (9058, 2293169), (12811, 1621382), (14881, 1395842), (25622, 810691), (28819, 720758), (29762, 697921), (57638, 360379), (89677, 231626), (99703, 208334), (104167, 199406), (115813, 179354)]