20346047358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1\times {\mathrm{1409}}^1$

素因数の和:1986

約数の個数: 128

約数和(自身を含む): 51166080000

約数和(自身を除く): 30820032642

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 499, 546, 689, 742, 998, 1113, 1378, 1409, 1497, 2067, 2226, 2818, 2994, 3493, 4134, 4227, 4823, 6487, 6986, 8454, 9646, 9863, 10479, 12974, 14469, 18317, 19461, 19726, 20958, 26447, 28938, 29589, 36634, 38922, 45409, 52894, 54951, 59178, 74677, 79341, 90818, 109902, 128219, 136227, 149354, 158682, 185129, 224031, 256438, 272454, 343811, 370258, 384657, 448062, 522739, 555387, 687622, 703091, 769314, 970801, 1031433, 1045478, 1110774, 1406182, 1568217, 1941602, 2062866, 2109273, 2406677, 2912403, 3136434, 4218546, 4813354, 4921637, 5824806, 6795607, 7220031, 9140183, 9843274, 13591214, 14440062, 14764911, 18280366, 20386821, 27420549, 29529822, 37263823, 40773642, 54841098, 63981281, 74527646, 111791469, 127962562, 191943843, 223582938, 260846761, 383887686, 484429699, 521693522, 782540283, 968859398, 1453289097, 1565080566, 2906578194, 3391007893, 6782015786, 10173023679, 20346047358]

約数ペア:

[(1, 20346047358), (2, 10173023679), (3, 6782015786), (6, 3391007893), (7, 2906578194), (13, 1565080566), (14, 1453289097), (21, 968859398), (26, 782540283), (39, 521693522), (42, 484429699), (53, 383887686), (78, 260846761), (91, 223582938), (106, 191943843), (159, 127962562), (182, 111791469), (273, 74527646), (318, 63981281), (371, 54841098), (499, 40773642), (546, 37263823), (689, 29529822), (742, 27420549), (998, 20386821), (1113, 18280366), (1378, 14764911), (1409, 14440062), (1497, 13591214), (2067, 9843274), (2226, 9140183), (2818, 7220031), (2994, 6795607), (3493, 5824806), (4134, 4921637), (4227, 4813354), (4823, 4218546), (6487, 3136434), (6986, 2912403), (8454, 2406677), (9646, 2109273), (9863, 2062866), (10479, 1941602), (12974, 1568217), (14469, 1406182), (18317, 1110774), (19461, 1045478), (19726, 1031433), (20958, 970801), (26447, 769314), (28938, 703091), (29589, 687622), (36634, 555387), (38922, 522739), (45409, 448062), (52894, 384657), (54951, 370258), (59178, 343811), (74677, 272454), (79341, 256438), (90818, 224031), (109902, 185129), (128219, 158682), (136227, 149354)]