20057061584

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{256931}}^1$

素因数の和:257004

約数の個数: 80

約数和(自身を含む): 48171666816

約数和(自身を除く): 28114605232

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 41, 56, 68, 82, 112, 119, 136, 164, 238, 272, 287, 328, 476, 574, 656, 697, 952, 1148, 1394, 1904, 2296, 2788, 4592, 4879, 5576, 9758, 11152, 19516, 39032, 78064, 256931, 513862, 1027724, 1798517, 2055448, 3597034, 4110896, 4367827, 7194068, 8735654, 10534171, 14388136, 17471308, 21068342, 28776272, 30574789, 34942616, 42136684, 61149578, 69885232, 73739197, 84273368, 122299156, 147478394, 168546736, 179080907, 244598312, 294956788, 358161814, 489196624, 589913576, 716323628, 1179827152, 1253566349, 1432647256, 2507132698, 2865294512, 5014265396, 10028530792, 20057061584]

約数ペア:

[(1, 20057061584), (2, 10028530792), (4, 5014265396), (7, 2865294512), (8, 2507132698), (14, 1432647256), (16, 1253566349), (17, 1179827152), (28, 716323628), (34, 589913576), (41, 489196624), (56, 358161814), (68, 294956788), (82, 244598312), (112, 179080907), (119, 168546736), (136, 147478394), (164, 122299156), (238, 84273368), (272, 73739197), (287, 69885232), (328, 61149578), (476, 42136684), (574, 34942616), (656, 30574789), (697, 28776272), (952, 21068342), (1148, 17471308), (1394, 14388136), (1904, 10534171), (2296, 8735654), (2788, 7194068), (4592, 4367827), (4879, 4110896), (5576, 3597034), (9758, 2055448), (11152, 1798517), (19516, 1027724), (39032, 513862), (78064, 256931)]