20086860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40876980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 47, 51, 60, 68, 85, 94, 102, 141, 170, 188, 204, 235, 255, 282, 340, 419, 470, 510, 564, 705, 799, 838, 940, 1020, 1257, 1410, 1598, 1676, 2095, 2397, 2514, 2820, 3196, 3995, 4190, 4794, 5028, 6285, 7123, 7990, 8380, 9588, 11985, 12570, 14246, 15980, 19693, 21369, 23970, 25140, 28492, 35615, 39386, 42738, 47940, 59079, 71230, 78772, 85476, 98465, 106845, 118158, 142460, 196930, 213690, 236316, 295395, 334781, 393860, 427380, 590790, 669562, 1004343, 1181580, 1339124, 1673905, 2008686, 3347810, 4017372, 5021715, 6695620, 10043430, 20086860]

約数ペア:

[(1, 20086860), (2, 10043430), (3, 6695620), (4, 5021715), (5, 4017372), (6, 3347810), (10, 2008686), (12, 1673905), (15, 1339124), (17, 1181580), (20, 1004343), (30, 669562), (34, 590790), (47, 427380), (51, 393860), (60, 334781), (68, 295395), (85, 236316), (94, 213690), (102, 196930), (141, 142460), (170, 118158), (188, 106845), (204, 98465), (235, 85476), (255, 78772), (282, 71230), (340, 59079), (419, 47940), (470, 42738), (510, 39386), (564, 35615), (705, 28492), (799, 25140), (838, 23970), (940, 21369), (1020, 19693), (1257, 15980), (1410, 14246), (1598, 12570), (1676, 11985), (2095, 9588), (2397, 8380), (2514, 7990), (2820, 7123), (3196, 6285), (3995, 5028), (4190, 4794)]