20210005725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{4007}}^1$

素因数の和:4779

約数の個数: 96

約数和(自身を含む): 41190696960

約数和(自身を除く): 20980691235

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 739, 975, 1365, 2217, 2275, 3695, 4007, 5173, 6825, 9607, 11085, 12021, 15519, 18475, 20035, 25865, 28049, 28821, 48035, 52091, 55425, 60105, 67249, 77595, 84147, 100175, 129325, 140245, 144105, 156273, 201747, 240175, 260455, 300525, 336245, 364637, 387975, 420735, 701225, 720525, 781365, 1008735, 1093911, 1302275, 1681225, 1823185, 2103675, 2961173, 3906825, 5043675, 5469555, 8883519, 9115925, 14805865, 20728211, 27347775, 38495249, 44417595, 62184633, 74029325, 103641055, 115485747, 192476245, 222087975, 269466743, 310923165, 518205275, 577428735, 808400229, 962381225, 1347333715, 1554615825, 2887143675, 4042001145, 6736668575, 20210005725]

約数ペア:

[(1, 20210005725), (3, 6736668575), (5, 4042001145), (7, 2887143675), (13, 1554615825), (15, 1347333715), (21, 962381225), (25, 808400229), (35, 577428735), (39, 518205275), (65, 310923165), (75, 269466743), (91, 222087975), (105, 192476245), (175, 115485747), (195, 103641055), (273, 74029325), (325, 62184633), (455, 44417595), (525, 38495249), (739, 27347775), (975, 20728211), (1365, 14805865), (2217, 9115925), (2275, 8883519), (3695, 5469555), (4007, 5043675), (5173, 3906825), (6825, 2961173), (9607, 2103675), (11085, 1823185), (12021, 1681225), (15519, 1302275), (18475, 1093911), (20035, 1008735), (25865, 781365), (28049, 720525), (28821, 701225), (48035, 420735), (52091, 387975), (55425, 364637), (60105, 336245), (67249, 300525), (77595, 260455), (84147, 240175), (100175, 201747), (129325, 156273), (140245, 144105)]