20512278438

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{622603}}^1$

素因数の和:622661

約数の個数: 48

約数和(自身を含む): 45873462720

約数和(自身を除く): 25361184282

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 289, 323, 578, 646, 867, 969, 1734, 1938, 5491, 10982, 16473, 32946, 622603, 1245206, 1867809, 3735618, 10584251, 11829457, 21168502, 23658914, 31752753, 35488371, 63505506, 70976742, 179932267, 201100769, 359864534, 402201538, 539796801, 603302307, 1079593602, 1206604614, 3418713073, 6837426146, 10256139219, 20512278438]

約数ペア:

[(1, 20512278438), (2, 10256139219), (3, 6837426146), (6, 3418713073), (17, 1206604614), (19, 1079593602), (34, 603302307), (38, 539796801), (51, 402201538), (57, 359864534), (102, 201100769), (114, 179932267), (289, 70976742), (323, 63505506), (578, 35488371), (646, 31752753), (867, 23658914), (969, 21168502), (1734, 11829457), (1938, 10584251), (5491, 3735618), (10982, 1867809), (16473, 1245206), (32946, 622603)]