20233874780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{711959}}^1$

素因数の和:712011

約数の個数: 72

約数和(自身を含む): 51132967200

約数和(自身を除く): 30899092420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 711959, 1423918, 2847836, 3559795, 4983713, 7119590, 9967426, 14239180, 19934852, 20646811, 24918565, 34885991, 41293622, 49837130, 69771982, 82587244, 99674260, 103234055, 139543964, 144527677, 174429955, 206468110, 289055354, 348859910, 412936220, 578110708, 697719820, 722638385, 1011693739, 1445276770, 2023387478, 2890553540, 4046774956, 5058468695, 10116937390, 20233874780]

約数ペア:

[(1, 20233874780), (2, 10116937390), (4, 5058468695), (5, 4046774956), (7, 2890553540), (10, 2023387478), (14, 1445276770), (20, 1011693739), (28, 722638385), (29, 697719820), (35, 578110708), (49, 412936220), (58, 348859910), (70, 289055354), (98, 206468110), (116, 174429955), (140, 144527677), (145, 139543964), (196, 103234055), (203, 99674260), (245, 82587244), (290, 69771982), (406, 49837130), (490, 41293622), (580, 34885991), (812, 24918565), (980, 20646811), (1015, 19934852), (1421, 14239180), (2030, 9967426), (2842, 7119590), (4060, 4983713), (5684, 3559795), (7105, 2847836), (14210, 1423918), (28420, 711959)]