20897976272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2988841}}^1$

素因数の和:2988891

約数の個数: 40

約数和(自身を含む): 44473968960

約数和(自身を除く): 23575992688

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 2988841, 5977682, 11955364, 23910728, 47821456, 56787979, 68743343, 113575958, 137486686, 227151916, 274973372, 454303832, 549946744, 908607664, 1099893488, 1306123517, 2612247034, 5224494068, 10448988136, 20897976272]

約数ペア:

[(1, 20897976272), (2, 10448988136), (4, 5224494068), (8, 2612247034), (16, 1306123517), (19, 1099893488), (23, 908607664), (38, 549946744), (46, 454303832), (76, 274973372), (92, 227151916), (152, 137486686), (184, 113575958), (304, 68743343), (368, 56787979), (437, 47821456), (874, 23910728), (1748, 11955364), (3496, 5977682), (6992, 2988841)]