20162940308

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{140071}}^1$

素因数の和:140232

約数の個数: 48

約数和(自身を含む): 41510617344

約数和(自身を除く): 21347677036

約数列:

[1, 2, 4, 7, 14, 28, 53, 97, 106, 194, 212, 371, 388, 679, 742, 1358, 1484, 2716, 5141, 10282, 20564, 35987, 71974, 140071, 143948, 280142, 560284, 980497, 1960994, 3921988, 7423763, 13586887, 14847526, 27173774, 29695052, 51966341, 54347548, 95108209, 103932682, 190216418, 207865364, 380432836, 720105011, 1440210022, 2880420044, 5040735077, 10081470154, 20162940308]

約数ペア:

[(1, 20162940308), (2, 10081470154), (4, 5040735077), (7, 2880420044), (14, 1440210022), (28, 720105011), (53, 380432836), (97, 207865364), (106, 190216418), (194, 103932682), (212, 95108209), (371, 54347548), (388, 51966341), (679, 29695052), (742, 27173774), (1358, 14847526), (1484, 13586887), (2716, 7423763), (5141, 3921988), (10282, 1960994), (20564, 980497), (35987, 560284), (71974, 280142), (140071, 143948)]