20668296075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{2543}}^1$

素因数の和:2813

約数の個数: 96

約数和(自身を含む): 39702030336

約数和(自身を除く): 19033734261

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 113, 137, 175, 339, 411, 525, 565, 685, 791, 959, 1695, 2055, 2373, 2543, 2825, 2877, 3425, 3955, 4795, 7629, 8475, 10275, 11865, 12715, 14385, 15481, 17801, 19775, 23975, 38145, 46443, 53403, 59325, 63575, 71925, 77405, 89005, 108367, 190725, 232215, 267015, 287359, 325101, 348391, 387025, 445025, 541835, 862077, 1045173, 1161075, 1335075, 1436795, 1625505, 1741955, 2011513, 2438737, 2709175, 4310385, 5225865, 6034539, 7183975, 7316211, 8127525, 8709775, 10057565, 12193685, 21551925, 26129325, 30172695, 36581055, 39368183, 50287825, 60968425, 118104549, 150863475, 182905275, 196840915, 275577281, 590522745, 826731843, 984204575, 1377886405, 2952613725, 4133659215, 6889432025, 20668296075]

約数ペア:

[(1, 20668296075), (3, 6889432025), (5, 4133659215), (7, 2952613725), (15, 1377886405), (21, 984204575), (25, 826731843), (35, 590522745), (75, 275577281), (105, 196840915), (113, 182905275), (137, 150863475), (175, 118104549), (339, 60968425), (411, 50287825), (525, 39368183), (565, 36581055), (685, 30172695), (791, 26129325), (959, 21551925), (1695, 12193685), (2055, 10057565), (2373, 8709775), (2543, 8127525), (2825, 7316211), (2877, 7183975), (3425, 6034539), (3955, 5225865), (4795, 4310385), (7629, 2709175), (8475, 2438737), (10275, 2011513), (11865, 1741955), (12715, 1625505), (14385, 1436795), (15481, 1335075), (17801, 1161075), (19775, 1045173), (23975, 862077), (38145, 541835), (46443, 445025), (53403, 387025), (59325, 348391), (63575, 325101), (71925, 287359), (77405, 267015), (89005, 232215), (108367, 190725)]