20194657420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{10139}}^1$

素因数の和:10543

約数の個数: 96

約数和(自身を含む): 49797296640

約数和(自身を除く): 29602639220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 347, 410, 574, 694, 820, 1148, 1388, 1435, 1735, 2429, 2870, 3470, 4858, 5740, 6940, 9716, 10139, 12145, 14227, 20278, 24290, 28454, 40556, 48580, 50695, 56908, 70973, 71135, 99589, 101390, 141946, 142270, 199178, 202780, 283892, 284540, 354865, 398356, 415699, 497945, 709730, 831398, 995890, 1419460, 1662796, 1991780, 2078495, 2909893, 3518233, 4156990, 5819786, 7036466, 8313980, 11639572, 14072932, 14549465, 17591165, 24627631, 29098930, 35182330, 49255262, 58197860, 70364660, 98510524, 123138155, 144247553, 246276310, 288495106, 492552620, 576990212, 721237765, 1009732871, 1442475530, 2019465742, 2884951060, 4038931484, 5048664355, 10097328710, 20194657420]

約数ペア:

[(1, 20194657420), (2, 10097328710), (4, 5048664355), (5, 4038931484), (7, 2884951060), (10, 2019465742), (14, 1442475530), (20, 1009732871), (28, 721237765), (35, 576990212), (41, 492552620), (70, 288495106), (82, 246276310), (140, 144247553), (164, 123138155), (205, 98510524), (287, 70364660), (347, 58197860), (410, 49255262), (574, 35182330), (694, 29098930), (820, 24627631), (1148, 17591165), (1388, 14549465), (1435, 14072932), (1735, 11639572), (2429, 8313980), (2870, 7036466), (3470, 5819786), (4858, 4156990), (5740, 3518233), (6940, 2909893), (9716, 2078495), (10139, 1991780), (12145, 1662796), (14227, 1419460), (20278, 995890), (24290, 831398), (28454, 709730), (40556, 497945), (48580, 415699), (50695, 398356), (56908, 354865), (70973, 284540), (71135, 283892), (99589, 202780), (101390, 199178), (141946, 142270)]