20139195

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 33880320

約数和(自身を除く): 13741125

約数列:

[1, 3, 5, 15, 29, 67, 87, 145, 201, 335, 435, 691, 1005, 1943, 2073, 3455, 5829, 9715, 10365, 20039, 29145, 46297, 60117, 100195, 138891, 231485, 300585, 694455, 1342613, 4027839, 6713065, 20139195]

約数ペア:

[(1, 20139195), (3, 6713065), (5, 4027839), (15, 1342613), (29, 694455), (67, 300585), (87, 231485), (145, 138891), (201, 100195), (335, 60117), (435, 46297), (691, 29145), (1005, 20039), (1943, 10365), (2073, 9715), (3455, 5829)]