20199786290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{1259}}^1$

素因数の和:1827

約数の個数: 64

約数和(自身を含む): 37824433920

約数和(自身を除く): 17624647630

約数列:

[1, 2, 5, 10, 37, 74, 103, 185, 206, 370, 421, 515, 842, 1030, 1259, 2105, 2518, 3811, 4210, 6295, 7622, 12590, 15577, 19055, 31154, 38110, 43363, 46583, 77885, 86726, 93166, 129677, 155770, 216815, 232915, 259354, 433630, 465830, 530039, 648385, 1060078, 1296770, 1604431, 2650195, 3208862, 4798049, 5300390, 8022155, 9596098, 16044310, 19611443, 23990245, 39222886, 47980490, 54594017, 98057215, 109188034, 196114430, 272970085, 545940170, 2019978629, 4039957258, 10099893145, 20199786290]

約数ペア:

[(1, 20199786290), (2, 10099893145), (5, 4039957258), (10, 2019978629), (37, 545940170), (74, 272970085), (103, 196114430), (185, 109188034), (206, 98057215), (370, 54594017), (421, 47980490), (515, 39222886), (842, 23990245), (1030, 19611443), (1259, 16044310), (2105, 9596098), (2518, 8022155), (3811, 5300390), (4210, 4798049), (6295, 3208862), (7622, 2650195), (12590, 1604431), (15577, 1296770), (19055, 1060078), (31154, 648385), (38110, 530039), (43363, 465830), (46583, 433630), (77885, 259354), (86726, 232915), (93166, 216815), (129677, 155770)]