20710998

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 40252842

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 27, 33, 34, 42, 51, 54, 63, 66, 77, 99, 102, 119, 126, 153, 154, 187, 189, 198, 231, 238, 293, 297, 306, 357, 374, 378, 459, 462, 561, 586, 594, 693, 714, 879, 918, 1071, 1122, 1309, 1386, 1683, 1758, 2051, 2079, 2142, 2618, 2637, 3213, 3223, 3366, 3927, 4102, 4158, 4981, 5049, 5274, 6153, 6426, 6446, 7854, 7911, 9669, 9962, 10098, 11781, 12306, 14943, 15822, 18459, 19338, 22561, 23562, 29007, 29886, 34867, 35343, 36918, 44829, 45122, 54791, 55377, 58014, 67683, 69734, 70686, 87021, 89658, 104601, 109582, 110754, 134487, 135366, 164373, 174042, 203049, 209202, 268974, 313803, 328746, 383537, 406098, 493119, 609147, 627606, 767074, 941409, 986238, 1150611, 1218294, 1479357, 1882818, 2301222, 2958714, 3451833, 6903666, 10355499, 20710998]

約数ペア:

[(1, 20710998), (2, 10355499), (3, 6903666), (6, 3451833), (7, 2958714), (9, 2301222), (11, 1882818), (14, 1479357), (17, 1218294), (18, 1150611), (21, 986238), (22, 941409), (27, 767074), (33, 627606), (34, 609147), (42, 493119), (51, 406098), (54, 383537), (63, 328746), (66, 313803), (77, 268974), (99, 209202), (102, 203049), (119, 174042), (126, 164373), (153, 135366), (154, 134487), (187, 110754), (189, 109582), (198, 104601), (231, 89658), (238, 87021), (293, 70686), (297, 69734), (306, 67683), (357, 58014), (374, 55377), (378, 54791), (459, 45122), (462, 44829), (561, 36918), (586, 35343), (594, 34867), (693, 29886), (714, 29007), (879, 23562), (918, 22561), (1071, 19338), (1122, 18459), (1309, 15822), (1386, 14943), (1683, 12306), (1758, 11781), (2051, 10098), (2079, 9962), (2142, 9669), (2618, 7911), (2637, 7854), (3213, 6446), (3223, 6426), (3366, 6153), (3927, 5274), (4102, 5049), (4158, 4981)]