20006280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:508

約数の個数: 192

約数和(自身を含む): 78848640

約数和(自身を除く): 58842360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 467, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 934, 952, 1020, 1071, 1190, 1224, 1260, 1401, 1428, 1530, 1785, 1868, 2040, 2142, 2335, 2380, 2520, 2802, 2856, 3060, 3269, 3570, 3736, 4203, 4284, 4670, 4760, 5355, 5604, 6120, 6538, 7005, 7140, 7939, 8406, 8568, 9340, 9807, 10710, 11208, 13076, 14010, 14280, 15878, 16345, 16812, 18680, 19614, 21015, 21420, 23817, 26152, 28020, 29421, 31756, 32690, 33624, 39228, 39695, 42030, 42840, 47634, 49035, 55573, 56040, 58842, 63512, 65380, 71451, 78456, 79390, 84060, 95268, 98070, 111146, 117684, 119085, 130760, 142902, 147105, 158780, 166719, 168120, 190536, 196140, 222292, 235368, 238170, 277865, 285804, 294210, 317560, 333438, 357255, 392280, 444584, 476340, 500157, 555730, 571608, 588420, 666876, 714510, 833595, 952680, 1000314, 1111460, 1176840, 1333752, 1429020, 1667190, 2000628, 2222920, 2500785, 2858040, 3334380, 4001256, 5001570, 6668760, 10003140, 20006280]

約数ペア:

[(1, 20006280), (2, 10003140), (3, 6668760), (4, 5001570), (5, 4001256), (6, 3334380), (7, 2858040), (8, 2500785), (9, 2222920), (10, 2000628), (12, 1667190), (14, 1429020), (15, 1333752), (17, 1176840), (18, 1111460), (20, 1000314), (21, 952680), (24, 833595), (28, 714510), (30, 666876), (34, 588420), (35, 571608), (36, 555730), (40, 500157), (42, 476340), (45, 444584), (51, 392280), (56, 357255), (60, 333438), (63, 317560), (68, 294210), (70, 285804), (72, 277865), (84, 238170), (85, 235368), (90, 222292), (102, 196140), (105, 190536), (119, 168120), (120, 166719), (126, 158780), (136, 147105), (140, 142902), (153, 130760), (168, 119085), (170, 117684), (180, 111146), (204, 98070), (210, 95268), (238, 84060), (252, 79390), (255, 78456), (280, 71451), (306, 65380), (315, 63512), (340, 58842), (357, 56040), (360, 55573), (408, 49035), (420, 47634), (467, 42840), (476, 42030), (504, 39695), (510, 39228), (595, 33624), (612, 32690), (630, 31756), (680, 29421), (714, 28020), (765, 26152), (840, 23817), (934, 21420), (952, 21015), (1020, 19614), (1071, 18680), (1190, 16812), (1224, 16345), (1260, 15878), (1401, 14280), (1428, 14010), (1530, 13076), (1785, 11208), (1868, 10710), (2040, 9807), (2142, 9340), (2335, 8568), (2380, 8406), (2520, 7939), (2802, 7140), (2856, 7005), (3060, 6538), (3269, 6120), (3570, 5604), (3736, 5355), (4203, 4760), (4284, 4670)]