20044860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 61979904

約数和(自身を除く): 41935044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 251, 330, 363, 484, 502, 605, 660, 726, 753, 1004, 1210, 1255, 1331, 1452, 1506, 1815, 2420, 2510, 2662, 2761, 3012, 3630, 3765, 3993, 5020, 5324, 5522, 6655, 7260, 7530, 7986, 8283, 11044, 13310, 13805, 15060, 15972, 16566, 19965, 26620, 27610, 30371, 33132, 39930, 41415, 55220, 60742, 79860, 82830, 91113, 121484, 151855, 165660, 182226, 303710, 334081, 364452, 455565, 607420, 668162, 911130, 1002243, 1336324, 1670405, 1822260, 2004486, 3340810, 4008972, 5011215, 6681620, 10022430, 20044860]

約数ペア:

[(1, 20044860), (2, 10022430), (3, 6681620), (4, 5011215), (5, 4008972), (6, 3340810), (10, 2004486), (11, 1822260), (12, 1670405), (15, 1336324), (20, 1002243), (22, 911130), (30, 668162), (33, 607420), (44, 455565), (55, 364452), (60, 334081), (66, 303710), (110, 182226), (121, 165660), (132, 151855), (165, 121484), (220, 91113), (242, 82830), (251, 79860), (330, 60742), (363, 55220), (484, 41415), (502, 39930), (605, 33132), (660, 30371), (726, 27610), (753, 26620), (1004, 19965), (1210, 16566), (1255, 15972), (1331, 15060), (1452, 13805), (1506, 13310), (1815, 11044), (2420, 8283), (2510, 7986), (2662, 7530), (2761, 7260), (3012, 6655), (3630, 5522), (3765, 5324), (3993, 5020)]