20129300

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2108

約数の個数: 36

約数和(自身を含む): 44135196

約数和(自身を除く): 24005896

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 1993, 2020, 2525, 3986, 5050, 7972, 9965, 10100, 19930, 39860, 49825, 99650, 199300, 201293, 402586, 805172, 1006465, 2012930, 4025860, 5032325, 10064650, 20129300]

約数ペア:

[(1, 20129300), (2, 10064650), (4, 5032325), (5, 4025860), (10, 2012930), (20, 1006465), (25, 805172), (50, 402586), (100, 201293), (101, 199300), (202, 99650), (404, 49825), (505, 39860), (1010, 19930), (1993, 10100), (2020, 9965), (2525, 7972), (3986, 5050)]