20241780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25951}}^1$

素因数の和:25976

約数の個数: 48

約数和(自身を含む): 61039104

約数和(自身を除く): 40797324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25951, 51902, 77853, 103804, 129755, 155706, 259510, 311412, 337363, 389265, 519020, 674726, 778530, 1012089, 1349452, 1557060, 1686815, 2024178, 3373630, 4048356, 5060445, 6747260, 10120890, 20241780]

約数ペア:

[(1, 20241780), (2, 10120890), (3, 6747260), (4, 5060445), (5, 4048356), (6, 3373630), (10, 2024178), (12, 1686815), (13, 1557060), (15, 1349452), (20, 1012089), (26, 778530), (30, 674726), (39, 519020), (52, 389265), (60, 337363), (65, 311412), (78, 259510), (130, 155706), (156, 129755), (195, 103804), (260, 77853), (390, 51902), (780, 25951)]