20965386672

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{5020447}}^1$

素因数の和:5020490

約数の個数: 60

約数和(自身を含む): 60697216320

約数和(自身を除く): 39731829648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 5020447, 10040894, 15061341, 20081788, 30122682, 40163576, 45184023, 60245364, 80327152, 90368046, 120490728, 145592963, 180736092, 240981456, 291185926, 361472184, 436778889, 582371852, 722944368, 873557778, 1164743704, 1310336667, 1747115556, 2329487408, 2620673334, 3494231112, 5241346668, 6988462224, 10482693336, 20965386672]

約数ペア:

[(1, 20965386672), (2, 10482693336), (3, 6988462224), (4, 5241346668), (6, 3494231112), (8, 2620673334), (9, 2329487408), (12, 1747115556), (16, 1310336667), (18, 1164743704), (24, 873557778), (29, 722944368), (36, 582371852), (48, 436778889), (58, 361472184), (72, 291185926), (87, 240981456), (116, 180736092), (144, 145592963), (174, 120490728), (232, 90368046), (261, 80327152), (348, 60245364), (464, 45184023), (522, 40163576), (696, 30122682), (1044, 20081788), (1392, 15061341), (2088, 10040894), (4176, 5020447)]