20910361973775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2659}}^1\times {\mathrm{6167839}}^1$

素因数の和:6170528

約数の個数: 48

約数和(自身を含む): 36619206220800

約数和(自身を除く): 15708844247025

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 2659, 7977, 13295, 39885, 45203, 66475, 135609, 199425, 226015, 678045, 1130075, 3390225, 6167839, 18503517, 30839195, 92517585, 104853263, 154195975, 314559789, 462587925, 524266315, 1572798945, 2621331575, 7863994725, 16400283901, 49200851703, 82001419505, 246004258515, 278804826317, 410007097525, 836414478951, 1230021292575, 1394024131585, 4182072394755, 6970120657925, 20910361973775]

約数ペア:

[(1, 20910361973775), (3, 6970120657925), (5, 4182072394755), (15, 1394024131585), (17, 1230021292575), (25, 836414478951), (51, 410007097525), (75, 278804826317), (85, 246004258515), (255, 82001419505), (425, 49200851703), (1275, 16400283901), (2659, 7863994725), (7977, 2621331575), (13295, 1572798945), (39885, 524266315), (45203, 462587925), (66475, 314559789), (135609, 154195975), (199425, 104853263), (226015, 92517585), (678045, 30839195), (1130075, 18503517), (3390225, 6167839)]