20212111156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1\times {\mathrm{4651}}^1$

素因数の和:5156

約数の個数: 48

約数和(自身を含む): 37555409920

約数和(自身を除く): 17343298764

約数列:

[1, 2, 4, 19, 38, 76, 211, 271, 422, 542, 844, 1084, 4009, 4651, 5149, 8018, 9302, 10298, 16036, 18604, 20596, 57181, 88369, 114362, 176738, 228724, 353476, 981361, 1086439, 1260421, 1962722, 2172878, 2520842, 3925444, 4345756, 5041684, 18645859, 23947999, 37291718, 47895998, 74583436, 95791996, 265948831, 531897662, 1063795324, 5053027789, 10106055578, 20212111156]

約数ペア:

[(1, 20212111156), (2, 10106055578), (4, 5053027789), (19, 1063795324), (38, 531897662), (76, 265948831), (211, 95791996), (271, 74583436), (422, 47895998), (542, 37291718), (844, 23947999), (1084, 18645859), (4009, 5041684), (4651, 4345756), (5149, 3925444), (8018, 2520842), (9302, 2172878), (10298, 1962722), (16036, 1260421), (18604, 1086439), (20596, 981361), (57181, 353476), (88369, 228724), (114362, 176738)]