20158902644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{3313}}^1$

素因数の和:3477

約数の個数: 72

約数和(自身を含む): 39429176640

約数和(自身を除く): 19270273996

約数列:

[1, 2, 4, 19, 23, 38, 46, 59, 76, 92, 118, 236, 437, 874, 1121, 1357, 1748, 2242, 2714, 3313, 3481, 4484, 5428, 6626, 6962, 13252, 13924, 25783, 51566, 62947, 66139, 76199, 80063, 103132, 125894, 132278, 152398, 160126, 195467, 251788, 264556, 304796, 320252, 390934, 781868, 1447781, 1521197, 2895562, 3042394, 3713873, 4495741, 5791124, 6084788, 7427746, 8991482, 11532553, 14855492, 17982964, 23065106, 46130212, 85419079, 170838158, 219118507, 265248719, 341676316, 438237014, 530497438, 876474028, 1060994876, 5039725661, 10079451322, 20158902644]

約数ペア:

[(1, 20158902644), (2, 10079451322), (4, 5039725661), (19, 1060994876), (23, 876474028), (38, 530497438), (46, 438237014), (59, 341676316), (76, 265248719), (92, 219118507), (118, 170838158), (236, 85419079), (437, 46130212), (874, 23065106), (1121, 17982964), (1357, 14855492), (1748, 11532553), (2242, 8991482), (2714, 7427746), (3313, 6084788), (3481, 5791124), (4484, 4495741), (5428, 3713873), (6626, 3042394), (6962, 2895562), (13252, 1521197), (13924, 1447781), (25783, 781868), (51566, 390934), (62947, 320252), (66139, 304796), (76199, 264556), (80063, 251788), (103132, 195467), (125894, 160126), (132278, 152398)]