20173426364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{86461}}^1$

素因数の和:87126

約数の個数: 48

約数和(自身を含む): 43518745536

約数和(自身を除く): 23345319172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 641, 1282, 2564, 4487, 8333, 8974, 16666, 17948, 33332, 58331, 86461, 116662, 172922, 233324, 345844, 605227, 1123993, 1210454, 2247986, 2420908, 4495972, 7867951, 15735902, 31471804, 55421501, 110843002, 221686004, 387950507, 720479513, 775901014, 1440959026, 1551802028, 2881918052, 5043356591, 10086713182, 20173426364]

約数ペア:

[(1, 20173426364), (2, 10086713182), (4, 5043356591), (7, 2881918052), (13, 1551802028), (14, 1440959026), (26, 775901014), (28, 720479513), (52, 387950507), (91, 221686004), (182, 110843002), (364, 55421501), (641, 31471804), (1282, 15735902), (2564, 7867951), (4487, 4495972), (8333, 2420908), (8974, 2247986), (16666, 1210454), (17948, 1123993), (33332, 605227), (58331, 345844), (86461, 233324), (116662, 172922)]