20120907736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{49597}}^1$

素因数の和:49796

約数の個数: 64

約数和(自身を含む): 42317013600

約数和(自身を除く): 22196105864

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 157, 314, 323, 628, 646, 1256, 1292, 2584, 2669, 2983, 5338, 5966, 10676, 11932, 21352, 23864, 49597, 50711, 99194, 101422, 198388, 202844, 396776, 405688, 843149, 942343, 1686298, 1884686, 3372596, 3769372, 6745192, 7538744, 7786729, 15573458, 16019831, 31146916, 32039662, 62293832, 64079324, 128158648, 132374393, 147947851, 264748786, 295895702, 529497572, 591791404, 1058995144, 1183582808, 2515113467, 5030226934, 10060453868, 20120907736]

約数ペア:

[(1, 20120907736), (2, 10060453868), (4, 5030226934), (8, 2515113467), (17, 1183582808), (19, 1058995144), (34, 591791404), (38, 529497572), (68, 295895702), (76, 264748786), (136, 147947851), (152, 132374393), (157, 128158648), (314, 64079324), (323, 62293832), (628, 32039662), (646, 31146916), (1256, 16019831), (1292, 15573458), (2584, 7786729), (2669, 7538744), (2983, 6745192), (5338, 3769372), (5966, 3372596), (10676, 1884686), (11932, 1686298), (21352, 942343), (23864, 843149), (49597, 405688), (50711, 396776), (99194, 202844), (101422, 198388)]