20095035455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 28030648320

約数和(自身を除く): 7935612865

約数列:

[1, 5, 11, 19, 55, 95, 151, 209, 347, 367, 755, 1045, 1661, 1735, 1835, 2869, 3817, 4037, 6593, 6973, 8305, 14345, 19085, 20185, 31559, 32965, 34865, 52397, 55417, 72523, 76703, 127349, 157795, 261985, 277085, 362615, 383515, 576367, 609587, 636745, 995543, 1052923, 1400839, 2419631, 2881835, 3047935, 4977715, 5264615, 7004195, 10950973, 11582153, 12098155, 19229699, 26615941, 54754865, 57910765, 96148495, 133079705, 211526689, 365364281, 1057633445, 1826821405, 4019007091, 20095035455]

約数ペア:

[(1, 20095035455), (5, 4019007091), (11, 1826821405), (19, 1057633445), (55, 365364281), (95, 211526689), (151, 133079705), (209, 96148495), (347, 57910765), (367, 54754865), (755, 26615941), (1045, 19229699), (1661, 12098155), (1735, 11582153), (1835, 10950973), (2869, 7004195), (3817, 5264615), (4037, 4977715), (6593, 3047935), (6973, 2881835), (8305, 2419631), (14345, 1400839), (19085, 1052923), (20185, 995543), (31559, 636745), (32965, 609587), (34865, 576367), (52397, 383515), (55417, 362615), (72523, 277085), (76703, 261985), (127349, 157795)]