20807172

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 57200640

約数和(自身を除く): 36393468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 41, 54, 74, 82, 108, 111, 123, 127, 148, 164, 222, 246, 254, 333, 369, 381, 444, 492, 508, 666, 738, 762, 999, 1107, 1143, 1332, 1476, 1517, 1524, 1998, 2214, 2286, 3034, 3429, 3996, 4428, 4551, 4572, 4699, 5207, 6068, 6858, 9102, 9398, 10414, 13653, 13716, 14097, 15621, 18204, 18796, 20828, 27306, 28194, 31242, 40959, 42291, 46863, 54612, 56388, 62484, 81918, 84582, 93726, 126873, 140589, 163836, 169164, 187452, 192659, 253746, 281178, 385318, 507492, 562356, 577977, 770636, 1155954, 1733931, 2311908, 3467862, 5201793, 6935724, 10403586, 20807172]

約数ペア:

[(1, 20807172), (2, 10403586), (3, 6935724), (4, 5201793), (6, 3467862), (9, 2311908), (12, 1733931), (18, 1155954), (27, 770636), (36, 577977), (37, 562356), (41, 507492), (54, 385318), (74, 281178), (82, 253746), (108, 192659), (111, 187452), (123, 169164), (127, 163836), (148, 140589), (164, 126873), (222, 93726), (246, 84582), (254, 81918), (333, 62484), (369, 56388), (381, 54612), (444, 46863), (492, 42291), (508, 40959), (666, 31242), (738, 28194), (762, 27306), (999, 20828), (1107, 18796), (1143, 18204), (1332, 15621), (1476, 14097), (1517, 13716), (1524, 13653), (1998, 10414), (2214, 9398), (2286, 9102), (3034, 6858), (3429, 6068), (3996, 5207), (4428, 4699), (4551, 4572)]