20512128972

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^2\times {\mathrm{83}}^1\times {\mathrm{9323}}^1$

素因数の和:9507

約数の個数: 72

約数和(自身を含む): 49496118336

約数和(自身を除く): 28983989364

約数列:

[1, 2, 3, 4, 6, 12, 47, 83, 94, 141, 166, 188, 249, 282, 332, 498, 564, 996, 2209, 3901, 4418, 6627, 7802, 8836, 9323, 11703, 13254, 15604, 18646, 23406, 26508, 27969, 37292, 46812, 55938, 111876, 183347, 366694, 438181, 550041, 733388, 773809, 876362, 1100082, 1314543, 1547618, 1752724, 2200164, 2321427, 2629086, 3095236, 4642854, 5258172, 9285708, 20594507, 36369023, 41189014, 61783521, 72738046, 82378028, 109107069, 123567042, 145476092, 218214138, 247134084, 436428276, 1709344081, 3418688162, 5128032243, 6837376324, 10256064486, 20512128972]

約数ペア:

[(1, 20512128972), (2, 10256064486), (3, 6837376324), (4, 5128032243), (6, 3418688162), (12, 1709344081), (47, 436428276), (83, 247134084), (94, 218214138), (141, 145476092), (166, 123567042), (188, 109107069), (249, 82378028), (282, 72738046), (332, 61783521), (498, 41189014), (564, 36369023), (996, 20594507), (2209, 9285708), (3901, 5258172), (4418, 4642854), (6627, 3095236), (7802, 2629086), (8836, 2321427), (9323, 2200164), (11703, 1752724), (13254, 1547618), (15604, 1314543), (18646, 1100082), (23406, 876362), (26508, 773809), (27969, 733388), (37292, 550041), (46812, 438181), (55938, 366694), (111876, 183347)]