20784680352

素因数分解:

$2^5\times 3^5\times {\mathrm{17}}^1\times {\mathrm{157231}}^1$

素因数の和:157273

約数の個数: 144

約数和(自身を含む): 64901596032

約数和(自身を除く): 44116915680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 243, 272, 288, 306, 324, 408, 432, 459, 486, 544, 612, 648, 816, 864, 918, 972, 1224, 1296, 1377, 1632, 1836, 1944, 2448, 2592, 2754, 3672, 3888, 4131, 4896, 5508, 7344, 7776, 8262, 11016, 14688, 16524, 22032, 33048, 44064, 66096, 132192, 157231, 314462, 471693, 628924, 943386, 1257848, 1415079, 1886772, 2515696, 2672927, 2830158, 3773544, 4245237, 5031392, 5345854, 5660316, 7547088, 8018781, 8490474, 10691708, 11320632, 12735711, 15094176, 16037562, 16980948, 21383416, 22641264, 24056343, 25471422, 32075124, 33961896, 38207133, 42766832, 45282528, 48112686, 50942844, 64150248, 67923792, 72169029, 76414266, 85533664, 96225372, 101885688, 128300496, 135847584, 144338058, 152828532, 192450744, 203771376, 216507087, 256600992, 288676116, 305657064, 384901488, 407542752, 433014174, 577352232, 611314128, 649521261, 769802976, 866028348, 1154704464, 1222628256, 1299042522, 1732056696, 2309408928, 2598085044, 3464113392, 5196170088, 6928226784, 10392340176, 20784680352]

約数ペア:

[(1, 20784680352), (2, 10392340176), (3, 6928226784), (4, 5196170088), (6, 3464113392), (8, 2598085044), (9, 2309408928), (12, 1732056696), (16, 1299042522), (17, 1222628256), (18, 1154704464), (24, 866028348), (27, 769802976), (32, 649521261), (34, 611314128), (36, 577352232), (48, 433014174), (51, 407542752), (54, 384901488), (68, 305657064), (72, 288676116), (81, 256600992), (96, 216507087), (102, 203771376), (108, 192450744), (136, 152828532), (144, 144338058), (153, 135847584), (162, 128300496), (204, 101885688), (216, 96225372), (243, 85533664), (272, 76414266), (288, 72169029), (306, 67923792), (324, 64150248), (408, 50942844), (432, 48112686), (459, 45282528), (486, 42766832), (544, 38207133), (612, 33961896), (648, 32075124), (816, 25471422), (864, 24056343), (918, 22641264), (972, 21383416), (1224, 16980948), (1296, 16037562), (1377, 15094176), (1632, 12735711), (1836, 11320632), (1944, 10691708), (2448, 8490474), (2592, 8018781), (2754, 7547088), (3672, 5660316), (3888, 5345854), (4131, 5031392), (4896, 4245237), (5508, 3773544), (7344, 2830158), (7776, 2672927), (8262, 2515696), (11016, 1886772), (14688, 1415079), (16524, 1257848), (22032, 943386), (33048, 628924), (44064, 471693), (66096, 314462), (132192, 157231)]