20561430830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{5507}}^1$

素因数の和:6033

約数の個数: 64

約数和(自身を含む): 39958997760

約数和(自身を除く): 19397566930

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 457, 817, 914, 1634, 2285, 4085, 4570, 5507, 8170, 8683, 11014, 17366, 19651, 27535, 39302, 43415, 55070, 86830, 98255, 104633, 196510, 209266, 236801, 373369, 473602, 523165, 746738, 1046330, 1184005, 1866845, 2368010, 2516699, 3733690, 4499219, 5033398, 8998438, 12583495, 22496095, 25166990, 44992190, 47817281, 95634562, 108218057, 216436114, 239086405, 478172810, 541090285, 1082180570, 2056143083, 4112286166, 10280715415, 20561430830]

約数ペア:

[(1, 20561430830), (2, 10280715415), (5, 4112286166), (10, 2056143083), (19, 1082180570), (38, 541090285), (43, 478172810), (86, 239086405), (95, 216436114), (190, 108218057), (215, 95634562), (430, 47817281), (457, 44992190), (817, 25166990), (914, 22496095), (1634, 12583495), (2285, 8998438), (4085, 5033398), (4570, 4499219), (5507, 3733690), (8170, 2516699), (8683, 2368010), (11014, 1866845), (17366, 1184005), (19651, 1046330), (27535, 746738), (39302, 523165), (43415, 473602), (55070, 373369), (86830, 236801), (98255, 209266), (104633, 196510)]