20565850370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1\times {\mathrm{3461}}^1$

素因数の和:4587

約数の個数: 64

約数和(自身を含む): 40843401984

約数和(自身を除く): 20277551614

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1063, 1118, 2126, 2795, 3461, 5315, 5590, 6922, 10630, 13819, 17305, 27638, 34610, 44993, 45709, 69095, 89986, 91418, 138190, 148823, 224965, 228545, 297646, 449930, 457090, 594217, 744115, 1188434, 1488230, 1934699, 2971085, 3679043, 3869398, 5942170, 7358086, 9673495, 18395215, 19346990, 36790430, 47827559, 95655118, 158198849, 239137795, 316397698, 478275590, 790994245, 1581988490, 2056585037, 4113170074, 10282925185, 20565850370]

約数ペア:

[(1, 20565850370), (2, 10282925185), (5, 4113170074), (10, 2056585037), (13, 1581988490), (26, 790994245), (43, 478275590), (65, 316397698), (86, 239137795), (130, 158198849), (215, 95655118), (430, 47827559), (559, 36790430), (1063, 19346990), (1118, 18395215), (2126, 9673495), (2795, 7358086), (3461, 5942170), (5315, 3869398), (5590, 3679043), (6922, 2971085), (10630, 1934699), (13819, 1488230), (17305, 1188434), (27638, 744115), (34610, 594217), (44993, 457090), (45709, 449930), (69095, 297646), (89986, 228545), (91418, 224965), (138190, 148823)]