20630520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3405

約数の個数: 96

約数和(自身を含む): 71014320

約数和(自身を除く): 50383800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3371, 6120, 6742, 10113, 13484, 16855, 20226, 26968, 30339, 33710, 40452, 50565, 57307, 60678, 67420, 80904, 101130, 114614, 121356, 134840, 151695, 171921, 202260, 229228, 242712, 286535, 303390, 343842, 404520, 458456, 515763, 573070, 606780, 687684, 859605, 1031526, 1146140, 1213560, 1375368, 1719210, 2063052, 2292280, 2578815, 3438420, 4126104, 5157630, 6876840, 10315260, 20630520]

約数ペア:

[(1, 20630520), (2, 10315260), (3, 6876840), (4, 5157630), (5, 4126104), (6, 3438420), (8, 2578815), (9, 2292280), (10, 2063052), (12, 1719210), (15, 1375368), (17, 1213560), (18, 1146140), (20, 1031526), (24, 859605), (30, 687684), (34, 606780), (36, 573070), (40, 515763), (45, 458456), (51, 404520), (60, 343842), (68, 303390), (72, 286535), (85, 242712), (90, 229228), (102, 202260), (120, 171921), (136, 151695), (153, 134840), (170, 121356), (180, 114614), (204, 101130), (255, 80904), (306, 67420), (340, 60678), (360, 57307), (408, 50565), (510, 40452), (612, 33710), (680, 30339), (765, 26968), (1020, 20226), (1224, 16855), (1530, 13484), (2040, 10113), (3060, 6742), (3371, 6120)]