20881589274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{411233}}^1$

素因数の和:411292

約数の個数: 96

約数和(自身を含む): 57480643584

約数和(自身を除く): 36599054310

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 403, 434, 546, 558, 651, 806, 819, 1209, 1302, 1638, 1953, 2418, 2821, 3627, 3906, 5642, 7254, 8463, 16926, 25389, 50778, 411233, 822466, 1233699, 2467398, 2878631, 3701097, 5346029, 5757262, 7402194, 8635893, 10692058, 12748223, 16038087, 17271786, 25496446, 25907679, 32076174, 37422203, 38244669, 48114261, 51815358, 74844406, 76489338, 89237561, 96228522, 112266609, 114734007, 165726899, 178475122, 224533218, 229468014, 267712683, 331453798, 336799827, 497180697, 535425366, 673599654, 803138049, 994361394, 1160088293, 1491542091, 1606276098, 2320176586, 2983084182, 3480264879, 6960529758, 10440794637, 20881589274]

約数ペア:

[(1, 20881589274), (2, 10440794637), (3, 6960529758), (6, 3480264879), (7, 2983084182), (9, 2320176586), (13, 1606276098), (14, 1491542091), (18, 1160088293), (21, 994361394), (26, 803138049), (31, 673599654), (39, 535425366), (42, 497180697), (62, 336799827), (63, 331453798), (78, 267712683), (91, 229468014), (93, 224533218), (117, 178475122), (126, 165726899), (182, 114734007), (186, 112266609), (217, 96228522), (234, 89237561), (273, 76489338), (279, 74844406), (403, 51815358), (434, 48114261), (546, 38244669), (558, 37422203), (651, 32076174), (806, 25907679), (819, 25496446), (1209, 17271786), (1302, 16038087), (1638, 12748223), (1953, 10692058), (2418, 8635893), (2821, 7402194), (3627, 5757262), (3906, 5346029), (5642, 3701097), (7254, 2878631), (8463, 2467398), (16926, 1233699), (25389, 822466), (50778, 411233)]