20189671684

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7923733}}^1$

素因数の和:7923764

約数の個数: 36

約数和(自身を含む): 44261978124

約数和(自身を除く): 24072306440

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7923733, 15847466, 31694932, 55466131, 103008529, 110932262, 206017058, 221864524, 388262917, 412034116, 721059703, 776525834, 1442119406, 1553051668, 2884238812, 5047417921, 10094835842, 20189671684]

約数ペア:

[(1, 20189671684), (2, 10094835842), (4, 5047417921), (7, 2884238812), (13, 1553051668), (14, 1442119406), (26, 776525834), (28, 721059703), (49, 412034116), (52, 388262917), (91, 221864524), (98, 206017058), (182, 110932262), (196, 103008529), (364, 55466131), (637, 31694932), (1274, 15847466), (2548, 7923733)]