20661004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 45961216

約数和(自身を除く): 25300212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1831, 2821, 3662, 5642, 7324, 11284, 12817, 23803, 25634, 47606, 51268, 56761, 95212, 113522, 166621, 227044, 333242, 397327, 666484, 737893, 794654, 1475786, 1589308, 2951572, 5165251, 10330502, 20661004]

約数ペア:

[(1, 20661004), (2, 10330502), (4, 5165251), (7, 2951572), (13, 1589308), (14, 1475786), (26, 794654), (28, 737893), (31, 666484), (52, 397327), (62, 333242), (91, 227044), (124, 166621), (182, 113522), (217, 95212), (364, 56761), (403, 51268), (434, 47606), (806, 25634), (868, 23803), (1612, 12817), (1831, 11284), (2821, 7324), (3662, 5642)]