20937014768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{16381}}^1$

素因数の和:16570

約数の個数: 80

約数和(自身を含む): 44462582784

約数和(自身を除く): 23525568016

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 127, 136, 148, 254, 272, 296, 508, 592, 629, 1016, 1258, 2032, 2159, 2516, 4318, 4699, 5032, 8636, 9398, 10064, 16381, 17272, 18796, 32762, 34544, 37592, 65524, 75184, 79883, 131048, 159766, 262096, 278477, 319532, 556954, 606097, 639064, 1113908, 1212194, 1278128, 2080387, 2227816, 2424388, 4160774, 4455632, 4848776, 8321548, 9697552, 10303649, 16643096, 20607298, 33286192, 35366579, 41214596, 70733158, 76974319, 82429192, 141466316, 153948638, 164858384, 282932632, 307897276, 565865264, 615794552, 1231589104, 1308563423, 2617126846, 5234253692, 10468507384, 20937014768]

約数ペア:

[(1, 20937014768), (2, 10468507384), (4, 5234253692), (8, 2617126846), (16, 1308563423), (17, 1231589104), (34, 615794552), (37, 565865264), (68, 307897276), (74, 282932632), (127, 164858384), (136, 153948638), (148, 141466316), (254, 82429192), (272, 76974319), (296, 70733158), (508, 41214596), (592, 35366579), (629, 33286192), (1016, 20607298), (1258, 16643096), (2032, 10303649), (2159, 9697552), (2516, 8321548), (4318, 4848776), (4699, 4455632), (5032, 4160774), (8636, 2424388), (9398, 2227816), (10064, 2080387), (16381, 1278128), (17272, 1212194), (18796, 1113908), (32762, 639064), (34544, 606097), (37592, 556954), (65524, 319532), (75184, 278477), (79883, 262096), (131048, 159766)]