20498792010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{492641}}^1$

素因数の和:492743

約数の個数: 64

約数和(自身を含む): 52495931520

約数和(自身を除く): 31997139510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 570, 730, 1095, 1387, 2190, 2774, 4161, 6935, 8322, 13870, 20805, 41610, 492641, 985282, 1477923, 2463205, 2955846, 4926410, 7389615, 9360179, 14779230, 18720358, 28080537, 35962793, 46800895, 56161074, 71925586, 93601790, 107888379, 140402685, 179813965, 215776758, 280805370, 359627930, 539441895, 683293067, 1078883790, 1366586134, 2049879201, 3416465335, 4099758402, 6832930670, 10249396005, 20498792010]

約数ペア:

[(1, 20498792010), (2, 10249396005), (3, 6832930670), (5, 4099758402), (6, 3416465335), (10, 2049879201), (15, 1366586134), (19, 1078883790), (30, 683293067), (38, 539441895), (57, 359627930), (73, 280805370), (95, 215776758), (114, 179813965), (146, 140402685), (190, 107888379), (219, 93601790), (285, 71925586), (365, 56161074), (438, 46800895), (570, 35962793), (730, 28080537), (1095, 18720358), (1387, 14779230), (2190, 9360179), (2774, 7389615), (4161, 4926410), (6935, 2955846), (8322, 2463205), (13870, 1477923), (20805, 985282), (41610, 492641)]