20219908736

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{16651}}^1$

素因数の和:16897

約数の個数: 64

約数和(自身を含む): 41273647200

約数和(自身を除く): 21053738464

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 179, 212, 358, 424, 716, 848, 1432, 1696, 2864, 3392, 5728, 6784, 9487, 11456, 16651, 18974, 22912, 33302, 37948, 66604, 75896, 133208, 151792, 266416, 303584, 532832, 607168, 882503, 1065664, 1214336, 1765006, 2131328, 2980529, 3530012, 5961058, 7060024, 11922116, 14120048, 23844232, 28240096, 47688464, 56480192, 95376928, 112960384, 157968037, 190753856, 315936074, 381507712, 631872148, 1263744296, 2527488592, 5054977184, 10109954368, 20219908736]

約数ペア:

[(1, 20219908736), (2, 10109954368), (4, 5054977184), (8, 2527488592), (16, 1263744296), (32, 631872148), (53, 381507712), (64, 315936074), (106, 190753856), (128, 157968037), (179, 112960384), (212, 95376928), (358, 56480192), (424, 47688464), (716, 28240096), (848, 23844232), (1432, 14120048), (1696, 11922116), (2864, 7060024), (3392, 5961058), (5728, 3530012), (6784, 2980529), (9487, 2131328), (11456, 1765006), (16651, 1214336), (18974, 1065664), (22912, 882503), (33302, 607168), (37948, 532832), (66604, 303584), (75896, 266416), (133208, 151792)]