20700498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 31941294

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1223, 1302, 2418, 2446, 2821, 3669, 5642, 7338, 8463, 8561, 15899, 16926, 17122, 25683, 31798, 37913, 47697, 51366, 75826, 95394, 111293, 113739, 222586, 227478, 265391, 333879, 492869, 530782, 667758, 796173, 985738, 1478607, 1592346, 2957214, 3450083, 6900166, 10350249, 20700498]

約数ペア:

[(1, 20700498), (2, 10350249), (3, 6900166), (6, 3450083), (7, 2957214), (13, 1592346), (14, 1478607), (21, 985738), (26, 796173), (31, 667758), (39, 530782), (42, 492869), (62, 333879), (78, 265391), (91, 227478), (93, 222586), (182, 113739), (186, 111293), (217, 95394), (273, 75826), (403, 51366), (434, 47697), (546, 37913), (651, 31798), (806, 25683), (1209, 17122), (1223, 16926), (1302, 15899), (2418, 8561), (2446, 8463), (2821, 7338), (3669, 5642)]