20570056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2383}}^1$

素因数の和:2485

約数の個数: 32

約数和(自身を含む): 42053760

約数和(自身を除く): 21483704

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2383, 4316, 4766, 8632, 9532, 19064, 30979, 61958, 123916, 197789, 247832, 395578, 791156, 1582312, 2571257, 5142514, 10285028, 20570056]

約数ペア:

[(1, 20570056), (2, 10285028), (4, 5142514), (8, 2571257), (13, 1582312), (26, 791156), (52, 395578), (83, 247832), (104, 197789), (166, 123916), (332, 61958), (664, 30979), (1079, 19064), (2158, 9532), (2383, 8632), (4316, 4766)]