20187946148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1\times {\mathrm{1699}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 37661500800

約数和(自身を除く): 17473554652

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 887, 1699, 1774, 3349, 3398, 3548, 6698, 6796, 13396, 15079, 28883, 30158, 57766, 60316, 115532, 174739, 334703, 349478, 669406, 698956, 1338812, 1507013, 2970563, 3014026, 5689951, 5941126, 6028052, 11379902, 11882252, 22759804, 25619221, 51238442, 102476884, 296881561, 593763122, 1187526244, 5046986537, 10093973074, 20187946148]

約数ペア:

[(1, 20187946148), (2, 10093973074), (4, 5046986537), (17, 1187526244), (34, 593763122), (68, 296881561), (197, 102476884), (394, 51238442), (788, 25619221), (887, 22759804), (1699, 11882252), (1774, 11379902), (3349, 6028052), (3398, 5941126), (3548, 5689951), (6698, 3014026), (6796, 2970563), (13396, 1507013), (15079, 1338812), (28883, 698956), (30158, 669406), (57766, 349478), (60316, 334703), (115532, 174739)]