20604865275

素因数分解:

$3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{317}}^1\times {\mathrm{941}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 37182088944

約数和(自身を除く): 16577223669

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 307, 317, 921, 941, 951, 1535, 1585, 2763, 2823, 2853, 4605, 4705, 4755, 7675, 7925, 8469, 13815, 14115, 14265, 23025, 23525, 23775, 42345, 69075, 70575, 71325, 97319, 211725, 288887, 291957, 298297, 486595, 866661, 875871, 894891, 1444435, 1459785, 1491485, 2432975, 2599983, 2684673, 4333305, 4379355, 4474455, 7222175, 7298925, 7457425, 12999915, 13423365, 21666525, 21896775, 22372275, 64999575, 67116825, 91577179, 274731537, 457885895, 824194611, 1373657685, 2289429475, 4120973055, 6868288425, 20604865275]

約数ペア:

[(1, 20604865275), (3, 6868288425), (5, 4120973055), (9, 2289429475), (15, 1373657685), (25, 824194611), (45, 457885895), (75, 274731537), (225, 91577179), (307, 67116825), (317, 64999575), (921, 22372275), (941, 21896775), (951, 21666525), (1535, 13423365), (1585, 12999915), (2763, 7457425), (2823, 7298925), (2853, 7222175), (4605, 4474455), (4705, 4379355), (4755, 4333305), (7675, 2684673), (7925, 2599983), (8469, 2432975), (13815, 1491485), (14115, 1459785), (14265, 1444435), (23025, 894891), (23525, 875871), (23775, 866661), (42345, 486595), (69075, 298297), (70575, 291957), (71325, 288887), (97319, 211725)]