20201040470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20173}}^1\times {\mathrm{7703}}^1$

素因数の和:27896

約数の個数: 32

約数和(自身を含む): 39165964992

約数和(自身を除く): 18964924522

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7703, 15406, 20173, 38515, 40346, 77030, 100139, 100865, 200278, 201730, 262249, 500695, 524498, 1001390, 1311245, 2622490, 155392619, 310785238, 776963095, 1553926190, 2020104047, 4040208094, 10100520235, 20201040470]

約数ペア:

[(1, 20201040470), (2, 10100520235), (5, 4040208094), (10, 2020104047), (13, 1553926190), (26, 776963095), (65, 310785238), (130, 155392619), (7703, 2622490), (15406, 1311245), (20173, 1001390), (38515, 524498), (40346, 500695), (77030, 262249), (100139, 201730), (100865, 200278)]