20121383710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1\times {\mathrm{1571}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 38138480640

約数和(自身を除く): 18017096930

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 233, 239, 466, 478, 1165, 1195, 1571, 2330, 2390, 3142, 5359, 5497, 7855, 10718, 10994, 15710, 26795, 27485, 36133, 53590, 54970, 55687, 72266, 111374, 180665, 278435, 361330, 366043, 375469, 556870, 732086, 750938, 1280801, 1830215, 1877345, 2561602, 3660430, 3754690, 6404005, 8418989, 8635787, 12808010, 16837978, 17271574, 42094945, 43178935, 84189890, 86357870, 87484277, 174968554, 437421385, 874842770, 2012138371, 4024276742, 10060691855, 20121383710]

約数ペア:

[(1, 20121383710), (2, 10060691855), (5, 4024276742), (10, 2012138371), (23, 874842770), (46, 437421385), (115, 174968554), (230, 87484277), (233, 86357870), (239, 84189890), (466, 43178935), (478, 42094945), (1165, 17271574), (1195, 16837978), (1571, 12808010), (2330, 8635787), (2390, 8418989), (3142, 6404005), (5359, 3754690), (5497, 3660430), (7855, 2561602), (10718, 1877345), (10994, 1830215), (15710, 1280801), (26795, 750938), (27485, 732086), (36133, 556870), (53590, 375469), (54970, 366043), (55687, 361330), (72266, 278435), (111374, 180665)]