20123132380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{62873}}^1$

素因数の和:64126

約数の個数: 48

約数和(自身を含む): 45546931584

約数和(自身を除く): 25423799204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1231, 2462, 4924, 6155, 12310, 16003, 24620, 32006, 62873, 64012, 80015, 125746, 160030, 251492, 314365, 320060, 628730, 817349, 1257460, 1634698, 3269396, 4086745, 8173490, 16346980, 77396663, 154793326, 309586652, 386983315, 773966630, 1006156619, 1547933260, 2012313238, 4024626476, 5030783095, 10061566190, 20123132380]

約数ペア:

[(1, 20123132380), (2, 10061566190), (4, 5030783095), (5, 4024626476), (10, 2012313238), (13, 1547933260), (20, 1006156619), (26, 773966630), (52, 386983315), (65, 309586652), (130, 154793326), (260, 77396663), (1231, 16346980), (2462, 8173490), (4924, 4086745), (6155, 3269396), (12310, 1634698), (16003, 1257460), (24620, 817349), (32006, 628730), (62873, 320060), (64012, 314365), (80015, 251492), (125746, 160030)]