20144819625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{5557}}^1$

素因数の和:6963

約数の個数: 64

約数和(自身を含む): 38344330752

約数和(自身を除く): 18199511127

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 1381, 2625, 4143, 5557, 6905, 9667, 16671, 20715, 27785, 29001, 34525, 38899, 48335, 83355, 103575, 116697, 138925, 145005, 172625, 194495, 241675, 416775, 517875, 583485, 694625, 725025, 972475, 1208375, 2083875, 2917425, 3625125, 4862375, 7674217, 14587125, 23022651, 38371085, 53719519, 115113255, 161158557, 191855425, 268597595, 575566275, 805792785, 959277125, 1342987975, 2877831375, 4028963925, 6714939875, 20144819625]

約数ペア:

[(1, 20144819625), (3, 6714939875), (5, 4028963925), (7, 2877831375), (15, 1342987975), (21, 959277125), (25, 805792785), (35, 575566275), (75, 268597595), (105, 191855425), (125, 161158557), (175, 115113255), (375, 53719519), (525, 38371085), (875, 23022651), (1381, 14587125), (2625, 7674217), (4143, 4862375), (5557, 3625125), (6905, 2917425), (9667, 2083875), (16671, 1208375), (20715, 972475), (27785, 725025), (29001, 694625), (34525, 583485), (38899, 517875), (48335, 416775), (83355, 241675), (103575, 194495), (116697, 172625), (138925, 145005)]