20172320931

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{10331}}^1$

素因数の和:10744

約数の個数: 48

約数和(自身を含む): 32225921280

約数和(自身を除く): 12053600349

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 359, 777, 1077, 1813, 2513, 5439, 7539, 10331, 13283, 17591, 30993, 39849, 52773, 72317, 92981, 216951, 278943, 382247, 506219, 650867, 1146741, 1518657, 1952601, 2675729, 3708829, 8027187, 11126487, 18730103, 25961803, 56190309, 77885409, 137226673, 181732621, 411680019, 545197863, 960586711, 2881760133, 6724106977, 20172320931]

約数ペア:

[(1, 20172320931), (3, 6724106977), (7, 2881760133), (21, 960586711), (37, 545197863), (49, 411680019), (111, 181732621), (147, 137226673), (259, 77885409), (359, 56190309), (777, 25961803), (1077, 18730103), (1813, 11126487), (2513, 8027187), (5439, 3708829), (7539, 2675729), (10331, 1952601), (13283, 1518657), (17591, 1146741), (30993, 650867), (39849, 506219), (52773, 382247), (72317, 278943), (92981, 216951)]