20004950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 43268064

約数和(自身を除く): 23263114

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 937, 1525, 1874, 2135, 3050, 4270, 4685, 6559, 9370, 10675, 13118, 21350, 23425, 32795, 46850, 57157, 65590, 114314, 163975, 285785, 327950, 400099, 571570, 800198, 1428925, 2000495, 2857850, 4000990, 10002475, 20004950]

約数ペア:

[(1, 20004950), (2, 10002475), (5, 4000990), (7, 2857850), (10, 2000495), (14, 1428925), (25, 800198), (35, 571570), (50, 400099), (61, 327950), (70, 285785), (122, 163975), (175, 114314), (305, 65590), (350, 57157), (427, 46850), (610, 32795), (854, 23425), (937, 21350), (1525, 13118), (1874, 10675), (2135, 9370), (3050, 6559), (4270, 4685)]