20489284512

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{7649}}^1$

素因数の和:7867

約数の個数: 144

約数和(自身を含む): 59545886400

約数和(自身を除く): 39056601888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 131, 142, 144, 213, 262, 284, 288, 393, 426, 524, 568, 639, 786, 852, 1048, 1136, 1179, 1278, 1572, 1704, 2096, 2272, 2358, 2556, 3144, 3408, 4192, 4716, 5112, 6288, 6816, 7649, 9301, 9432, 10224, 12576, 15298, 18602, 18864, 20448, 22947, 27903, 30596, 37204, 37728, 45894, 55806, 61192, 68841, 74408, 83709, 91788, 111612, 122384, 137682, 148816, 167418, 183576, 223224, 244768, 275364, 297632, 334836, 367152, 446448, 543079, 550728, 669672, 734304, 892896, 1002019, 1086158, 1101456, 1339344, 1629237, 2004038, 2172316, 2202912, 2678688, 3006057, 3258474, 4008076, 4344632, 4887711, 6012114, 6516948, 8016152, 8689264, 9018171, 9775422, 12024228, 13033896, 16032304, 17378528, 18036342, 19550844, 24048456, 26067792, 32064608, 36072684, 39101688, 48096912, 52135584, 71143349, 72145368, 78203376, 96193824, 142286698, 144290736, 156406752, 213430047, 284573396, 288581472, 426860094, 569146792, 640290141, 853720188, 1138293584, 1280580282, 1707440376, 2276587168, 2561160564, 3414880752, 5122321128, 6829761504, 10244642256, 20489284512]

約数ペア:

[(1, 20489284512), (2, 10244642256), (3, 6829761504), (4, 5122321128), (6, 3414880752), (8, 2561160564), (9, 2276587168), (12, 1707440376), (16, 1280580282), (18, 1138293584), (24, 853720188), (32, 640290141), (36, 569146792), (48, 426860094), (71, 288581472), (72, 284573396), (96, 213430047), (131, 156406752), (142, 144290736), (144, 142286698), (213, 96193824), (262, 78203376), (284, 72145368), (288, 71143349), (393, 52135584), (426, 48096912), (524, 39101688), (568, 36072684), (639, 32064608), (786, 26067792), (852, 24048456), (1048, 19550844), (1136, 18036342), (1179, 17378528), (1278, 16032304), (1572, 13033896), (1704, 12024228), (2096, 9775422), (2272, 9018171), (2358, 8689264), (2556, 8016152), (3144, 6516948), (3408, 6012114), (4192, 4887711), (4716, 4344632), (5112, 4008076), (6288, 3258474), (6816, 3006057), (7649, 2678688), (9301, 2202912), (9432, 2172316), (10224, 2004038), (12576, 1629237), (15298, 1339344), (18602, 1101456), (18864, 1086158), (20448, 1002019), (22947, 892896), (27903, 734304), (30596, 669672), (37204, 550728), (37728, 543079), (45894, 446448), (55806, 367152), (61192, 334836), (68841, 297632), (74408, 275364), (83709, 244768), (91788, 223224), (111612, 183576), (122384, 167418), (137682, 148816)]