20854549908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{37189}}^1$

素因数の和:37657

約数の個数: 72

約数和(自身を含む): 54270474440

約数和(自身を除く): 33415924532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 421, 444, 666, 842, 1263, 1332, 1684, 2526, 3789, 5052, 7578, 15156, 15577, 31154, 37189, 46731, 62308, 74378, 93462, 111567, 140193, 148756, 186924, 223134, 280386, 334701, 446268, 560772, 669402, 1338804, 1375993, 2751986, 4127979, 5503972, 8255958, 12383937, 15656569, 16511916, 24767874, 31313138, 46969707, 49535748, 62626276, 93939414, 140909121, 187878828, 281818242, 563636484, 579293053, 1158586106, 1737879159, 2317172212, 3475758318, 5213637477, 6951516636, 10427274954, 20854549908]

約数ペア:

[(1, 20854549908), (2, 10427274954), (3, 6951516636), (4, 5213637477), (6, 3475758318), (9, 2317172212), (12, 1737879159), (18, 1158586106), (36, 579293053), (37, 563636484), (74, 281818242), (111, 187878828), (148, 140909121), (222, 93939414), (333, 62626276), (421, 49535748), (444, 46969707), (666, 31313138), (842, 24767874), (1263, 16511916), (1332, 15656569), (1684, 12383937), (2526, 8255958), (3789, 5503972), (5052, 4127979), (7578, 2751986), (15156, 1375993), (15577, 1338804), (31154, 669402), (37189, 560772), (46731, 446268), (62308, 334701), (74378, 280386), (93462, 223134), (111567, 186924), (140193, 148756)]