20080638

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 46500480

約数和(自身を除く): 26419842

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 137, 153, 274, 306, 411, 479, 822, 958, 1233, 1437, 2329, 2466, 2874, 4311, 4658, 6987, 8143, 8622, 13974, 16286, 20961, 24429, 41922, 48858, 65623, 73287, 131246, 146574, 196869, 393738, 590607, 1115591, 1181214, 2231182, 3346773, 6693546, 10040319, 20080638]

約数ペア:

[(1, 20080638), (2, 10040319), (3, 6693546), (6, 3346773), (9, 2231182), (17, 1181214), (18, 1115591), (34, 590607), (51, 393738), (102, 196869), (137, 146574), (153, 131246), (274, 73287), (306, 65623), (411, 48858), (479, 41922), (822, 24429), (958, 20961), (1233, 16286), (1437, 13974), (2329, 8622), (2466, 8143), (2874, 6987), (4311, 4658)]