20867994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5711}}^1$

素因数の和:5755

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 32596326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5711, 11422, 17133, 34266, 39977, 51399, 79954, 102798, 119931, 165619, 239862, 331238, 359793, 496857, 719586, 993714, 1159333, 1490571, 2318666, 2981142, 3477999, 6955998, 10433997, 20867994]

約数ペア:

[(1, 20867994), (2, 10433997), (3, 6955998), (6, 3477999), (7, 2981142), (9, 2318666), (14, 1490571), (18, 1159333), (21, 993714), (29, 719586), (42, 496857), (58, 359793), (63, 331238), (87, 239862), (126, 165619), (174, 119931), (203, 102798), (261, 79954), (406, 51399), (522, 39977), (609, 34266), (1218, 17133), (1827, 11422), (3654, 5711)]