20372220470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2203}}^1$

素因数の和:2662

約数の個数: 128

約数和(自身を含む): 46844697600

約数和(自身を除く): 26472477130

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 409, 595, 646, 665, 818, 1190, 1330, 1615, 2045, 2203, 2261, 2863, 3230, 4090, 4406, 4522, 5726, 6953, 7771, 11015, 11305, 13906, 14315, 15421, 15542, 22030, 22610, 28630, 30842, 34765, 37451, 38855, 41857, 48671, 54397, 69530, 74902, 77105, 77710, 83714, 97342, 108794, 132107, 154210, 187255, 209285, 243355, 262157, 264214, 271985, 292999, 374510, 418570, 486710, 524314, 543970, 585998, 660535, 711569, 901027, 924749, 1310785, 1321070, 1423138, 1464995, 1802054, 1849498, 2621570, 2929990, 3557845, 4505135, 4623745, 4980983, 6307189, 7115690, 9010270, 9247490, 9961966, 12614378, 15317459, 17119513, 24904915, 30634918, 31535945, 34239026, 49809830, 63071890, 76587295, 85597565, 107222213, 119836591, 153174590, 171195130, 214444426, 239673182, 291031721, 536111065, 582063442, 599182955, 1072222130, 1198365910, 1455158605, 2037222047, 2910317210, 4074444094, 10186110235, 20372220470]

約数ペア:

[(1, 20372220470), (2, 10186110235), (5, 4074444094), (7, 2910317210), (10, 2037222047), (14, 1455158605), (17, 1198365910), (19, 1072222130), (34, 599182955), (35, 582063442), (38, 536111065), (70, 291031721), (85, 239673182), (95, 214444426), (119, 171195130), (133, 153174590), (170, 119836591), (190, 107222213), (238, 85597565), (266, 76587295), (323, 63071890), (409, 49809830), (595, 34239026), (646, 31535945), (665, 30634918), (818, 24904915), (1190, 17119513), (1330, 15317459), (1615, 12614378), (2045, 9961966), (2203, 9247490), (2261, 9010270), (2863, 7115690), (3230, 6307189), (4090, 4980983), (4406, 4623745), (4522, 4505135), (5726, 3557845), (6953, 2929990), (7771, 2621570), (11015, 1849498), (11305, 1802054), (13906, 1464995), (14315, 1423138), (15421, 1321070), (15542, 1310785), (22030, 924749), (22610, 901027), (28630, 711569), (30842, 660535), (34765, 585998), (37451, 543970), (38855, 524314), (41857, 486710), (48671, 418570), (54397, 374510), (69530, 292999), (74902, 271985), (77105, 264214), (77710, 262157), (83714, 243355), (97342, 209285), (108794, 187255), (132107, 154210)]