20123255672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{141961}}^1$

素因数の和:142056

約数の個数: 64

約数和(自身を含む): 42929308800

約数和(自身を除く): 22806053128

約数列:

[1, 2, 4, 8, 13, 26, 29, 47, 52, 58, 94, 104, 116, 188, 232, 376, 377, 611, 754, 1222, 1363, 1508, 2444, 2726, 3016, 4888, 5452, 10904, 17719, 35438, 70876, 141752, 141961, 283922, 567844, 1135688, 1845493, 3690986, 4116869, 6672167, 7381972, 8233738, 13344334, 14763944, 16467476, 26688668, 32934952, 53377336, 53519297, 86738171, 107038594, 173476342, 193492843, 214077188, 346952684, 386985686, 428154376, 693905368, 773971372, 1547942744, 2515406959, 5030813918, 10061627836, 20123255672]

約数ペア:

[(1, 20123255672), (2, 10061627836), (4, 5030813918), (8, 2515406959), (13, 1547942744), (26, 773971372), (29, 693905368), (47, 428154376), (52, 386985686), (58, 346952684), (94, 214077188), (104, 193492843), (116, 173476342), (188, 107038594), (232, 86738171), (376, 53519297), (377, 53377336), (611, 32934952), (754, 26688668), (1222, 16467476), (1363, 14763944), (1508, 13344334), (2444, 8233738), (2726, 7381972), (3016, 6672167), (4888, 4116869), (5452, 3690986), (10904, 1845493), (17719, 1135688), (35438, 567844), (70876, 283922), (141752, 141961)]