20605170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15973}}^1$

素因数の和:16026

約数の個数: 32

約数和(自身を含む): 50605632

約数和(自身を除く): 30000462

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15973, 31946, 47919, 79865, 95838, 159730, 239595, 479190, 686839, 1373678, 2060517, 3434195, 4121034, 6868390, 10302585, 20605170]

約数ペア:

[(1, 20605170), (2, 10302585), (3, 6868390), (5, 4121034), (6, 3434195), (10, 2060517), (15, 1373678), (30, 686839), (43, 479190), (86, 239595), (129, 159730), (215, 95838), (258, 79865), (430, 47919), (645, 31946), (1290, 15973)]