20540190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 54639360

約数和(自身を除く): 34099170

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 201, 330, 335, 402, 670, 737, 929, 1005, 1474, 1858, 2010, 2211, 2787, 3685, 4422, 4645, 5574, 7370, 9290, 10219, 11055, 13935, 20438, 22110, 27870, 30657, 51095, 61314, 62243, 102190, 124486, 153285, 186729, 306570, 311215, 373458, 622430, 684673, 933645, 1369346, 1867290, 2054019, 3423365, 4108038, 6846730, 10270095, 20540190]

約数ペア:

[(1, 20540190), (2, 10270095), (3, 6846730), (5, 4108038), (6, 3423365), (10, 2054019), (11, 1867290), (15, 1369346), (22, 933645), (30, 684673), (33, 622430), (55, 373458), (66, 311215), (67, 306570), (110, 186729), (134, 153285), (165, 124486), (201, 102190), (330, 62243), (335, 61314), (402, 51095), (670, 30657), (737, 27870), (929, 22110), (1005, 20438), (1474, 13935), (1858, 11055), (2010, 10219), (2211, 9290), (2787, 7370), (3685, 5574), (4422, 4645)]