20815696430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{21613}}^1$

素因数の和:21813

約数の個数: 64

約数和(自身を含む): 40803773760

約数和(自身を除く): 19988077330

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 137, 185, 190, 274, 370, 685, 703, 1370, 1406, 2603, 3515, 5069, 5206, 7030, 10138, 13015, 21613, 25345, 26030, 43226, 50690, 96311, 108065, 192622, 216130, 410647, 481555, 799681, 821294, 963110, 1599362, 2053235, 2960981, 3998405, 4106470, 5921962, 7996810, 14804905, 15193939, 29609810, 30387878, 56258639, 75969695, 109556297, 112517278, 151939390, 219112594, 281293195, 547781485, 562586390, 1095562970, 2081569643, 4163139286, 10407848215, 20815696430]

約数ペア:

[(1, 20815696430), (2, 10407848215), (5, 4163139286), (10, 2081569643), (19, 1095562970), (37, 562586390), (38, 547781485), (74, 281293195), (95, 219112594), (137, 151939390), (185, 112517278), (190, 109556297), (274, 75969695), (370, 56258639), (685, 30387878), (703, 29609810), (1370, 15193939), (1406, 14804905), (2603, 7996810), (3515, 5921962), (5069, 4106470), (5206, 3998405), (7030, 2960981), (10138, 2053235), (13015, 1599362), (21613, 963110), (25345, 821294), (26030, 799681), (43226, 481555), (50690, 410647), (96311, 216130), (108065, 192622)]