20237664820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1\times {\mathrm{8819}}^1$

素因数の和:9648

約数の個数: 48

約数和(自身を含む): 42808046400

約数和(自身を除く): 22570381580

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 641, 716, 895, 1282, 1790, 2564, 3205, 3580, 6410, 8819, 12820, 17638, 35276, 44095, 88190, 114739, 176380, 229478, 458956, 573695, 1147390, 1578601, 2294780, 3157202, 5652979, 6314404, 7893005, 11305958, 15786010, 22611916, 28264895, 31572020, 56529790, 113059580, 1011883241, 2023766482, 4047532964, 5059416205, 10118832410, 20237664820]

約数ペア:

[(1, 20237664820), (2, 10118832410), (4, 5059416205), (5, 4047532964), (10, 2023766482), (20, 1011883241), (179, 113059580), (358, 56529790), (641, 31572020), (716, 28264895), (895, 22611916), (1282, 15786010), (1790, 11305958), (2564, 7893005), (3205, 6314404), (3580, 5652979), (6410, 3157202), (8819, 2294780), (12820, 1578601), (17638, 1147390), (35276, 573695), (44095, 458956), (88190, 229478), (114739, 176380)]