20988892912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:843

約数の個数: 160

約数和(自身を含む): 46903248000

約数和(自身を除く): 25914355088

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 37, 52, 58, 74, 104, 116, 148, 157, 208, 232, 296, 314, 377, 464, 481, 592, 599, 628, 754, 962, 1073, 1198, 1256, 1508, 1924, 2041, 2146, 2396, 2512, 3016, 3848, 4082, 4292, 4553, 4792, 5809, 6032, 7696, 7787, 8164, 8584, 9106, 9584, 11618, 13949, 15574, 16328, 17168, 17371, 18212, 22163, 23236, 27898, 31148, 32656, 34742, 36424, 44326, 46472, 55796, 59189, 62296, 69484, 72848, 75517, 88652, 92944, 94043, 111592, 118378, 124592, 138968, 151034, 168461, 177304, 188086, 223184, 225823, 236756, 277936, 288119, 302068, 336922, 354608, 376172, 451646, 473512, 576238, 604136, 642727, 673844, 752344, 903292, 947024, 1152476, 1208272, 1222559, 1285454, 1347688, 1504688, 1806584, 2189993, 2304952, 2445118, 2570908, 2695376, 2727247, 3479591, 3613168, 4379986, 4609904, 4890236, 5141816, 5454494, 6959182, 8355451, 8759972, 9780472, 10283632, 10908988, 13918364, 16710902, 17519944, 19560944, 21817976, 27836728, 33421804, 35039888, 35454211, 43635952, 45234683, 55673456, 66843608, 70908422, 90469366, 100908139, 133687216, 141816844, 180938732, 201816278, 283633688, 361877464, 403632556, 567267376, 723754928, 807265112, 1311805807, 1614530224, 2623611614, 5247223228, 10494446456, 20988892912]

約数ペア:

[(1, 20988892912), (2, 10494446456), (4, 5247223228), (8, 2623611614), (13, 1614530224), (16, 1311805807), (26, 807265112), (29, 723754928), (37, 567267376), (52, 403632556), (58, 361877464), (74, 283633688), (104, 201816278), (116, 180938732), (148, 141816844), (157, 133687216), (208, 100908139), (232, 90469366), (296, 70908422), (314, 66843608), (377, 55673456), (464, 45234683), (481, 43635952), (592, 35454211), (599, 35039888), (628, 33421804), (754, 27836728), (962, 21817976), (1073, 19560944), (1198, 17519944), (1256, 16710902), (1508, 13918364), (1924, 10908988), (2041, 10283632), (2146, 9780472), (2396, 8759972), (2512, 8355451), (3016, 6959182), (3848, 5454494), (4082, 5141816), (4292, 4890236), (4553, 4609904), (4792, 4379986), (5809, 3613168), (6032, 3479591), (7696, 2727247), (7787, 2695376), (8164, 2570908), (8584, 2445118), (9106, 2304952), (9584, 2189993), (11618, 1806584), (13949, 1504688), (15574, 1347688), (16328, 1285454), (17168, 1222559), (17371, 1208272), (18212, 1152476), (22163, 947024), (23236, 903292), (27898, 752344), (31148, 673844), (32656, 642727), (34742, 604136), (36424, 576238), (44326, 473512), (46472, 451646), (55796, 376172), (59189, 354608), (62296, 336922), (69484, 302068), (72848, 288119), (75517, 277936), (88652, 236756), (92944, 225823), (94043, 223184), (111592, 188086), (118378, 177304), (124592, 168461), (138968, 151034)]