20910036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 38441004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 79, 84, 92, 137, 138, 158, 161, 237, 274, 276, 316, 322, 411, 474, 483, 548, 553, 644, 822, 948, 959, 966, 1106, 1644, 1659, 1817, 1918, 1932, 2212, 2877, 3151, 3318, 3634, 3836, 5451, 5754, 6302, 6636, 7268, 9453, 10823, 10902, 11508, 12604, 12719, 18906, 21646, 21804, 22057, 25438, 32469, 37812, 38157, 43292, 44114, 50876, 64938, 66171, 75761, 76314, 88228, 129876, 132342, 151522, 152628, 227283, 248929, 264684, 303044, 454566, 497858, 746787, 909132, 995716, 1493574, 1742503, 2987148, 3485006, 5227509, 6970012, 10455018, 20910036]

約数ペア:

[(1, 20910036), (2, 10455018), (3, 6970012), (4, 5227509), (6, 3485006), (7, 2987148), (12, 1742503), (14, 1493574), (21, 995716), (23, 909132), (28, 746787), (42, 497858), (46, 454566), (69, 303044), (79, 264684), (84, 248929), (92, 227283), (137, 152628), (138, 151522), (158, 132342), (161, 129876), (237, 88228), (274, 76314), (276, 75761), (316, 66171), (322, 64938), (411, 50876), (474, 44114), (483, 43292), (548, 38157), (553, 37812), (644, 32469), (822, 25438), (948, 22057), (959, 21804), (966, 21646), (1106, 18906), (1644, 12719), (1659, 12604), (1817, 11508), (1918, 10902), (1932, 10823), (2212, 9453), (2877, 7268), (3151, 6636), (3318, 6302), (3634, 5754), (3836, 5451)]