20173935964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{70423}}^1$

素因数の和:71234

約数の個数: 48

約数和(自身を含む): 43507383808

約数和(自身を除く): 23333447844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 787, 1574, 3148, 5509, 10231, 11018, 20462, 22036, 40924, 70423, 71617, 140846, 143234, 281692, 286468, 492961, 915499, 985922, 1830998, 1971844, 3661996, 6408493, 12816986, 25633972, 55422901, 110845802, 221691604, 387960307, 720497713, 775920614, 1440995426, 1551841228, 2881990852, 5043483991, 10086967982, 20173935964]

約数ペア:

[(1, 20173935964), (2, 10086967982), (4, 5043483991), (7, 2881990852), (13, 1551841228), (14, 1440995426), (26, 775920614), (28, 720497713), (52, 387960307), (91, 221691604), (182, 110845802), (364, 55422901), (787, 25633972), (1574, 12816986), (3148, 6408493), (5509, 3661996), (10231, 1971844), (11018, 1830998), (20462, 985922), (22036, 915499), (40924, 492961), (70423, 286468), (71617, 281692), (140846, 143234)]