20833400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 37020040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 644, 647, 700, 805, 920, 1150, 1288, 1294, 1400, 1610, 2300, 2588, 3220, 3235, 4025, 4529, 4600, 5176, 6440, 6470, 8050, 9058, 12940, 14881, 16100, 16175, 18116, 22645, 25880, 29762, 32200, 32350, 36232, 45290, 59524, 64700, 74405, 90580, 104167, 113225, 119048, 129400, 148810, 181160, 208334, 226450, 297620, 372025, 416668, 452900, 520835, 595240, 744050, 833336, 905800, 1041670, 1488100, 2083340, 2604175, 2976200, 4166680, 5208350, 10416700, 20833400]

約数ペア:

[(1, 20833400), (2, 10416700), (4, 5208350), (5, 4166680), (7, 2976200), (8, 2604175), (10, 2083340), (14, 1488100), (20, 1041670), (23, 905800), (25, 833336), (28, 744050), (35, 595240), (40, 520835), (46, 452900), (50, 416668), (56, 372025), (70, 297620), (92, 226450), (100, 208334), (115, 181160), (140, 148810), (161, 129400), (175, 119048), (184, 113225), (200, 104167), (230, 90580), (280, 74405), (322, 64700), (350, 59524), (460, 45290), (575, 36232), (644, 32350), (647, 32200), (700, 29762), (805, 25880), (920, 22645), (1150, 18116), (1288, 16175), (1294, 16100), (1400, 14881), (1610, 12940), (2300, 9058), (2588, 8050), (3220, 6470), (3235, 6440), (4025, 5176), (4529, 4600)]