20545177588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1\times {\mathrm{3407}}^1$

素因数の和:4816

約数の個数: 48

約数和(自身を含む): 39196362240

約数和(自身を除く): 18651184652

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 1303, 2314, 2606, 3407, 4628, 5212, 6814, 13628, 16939, 33878, 44291, 67756, 88582, 115967, 177164, 231934, 303223, 463868, 606446, 1212892, 1507571, 3015142, 3941899, 4439321, 6030284, 7883798, 8878642, 15767596, 17757284, 57711173, 115422346, 230844692, 395099569, 790199138, 1580398276, 5136294397, 10272588794, 20545177588]

約数ペア:

[(1, 20545177588), (2, 10272588794), (4, 5136294397), (13, 1580398276), (26, 790199138), (52, 395099569), (89, 230844692), (178, 115422346), (356, 57711173), (1157, 17757284), (1303, 15767596), (2314, 8878642), (2606, 7883798), (3407, 6030284), (4628, 4439321), (5212, 3941899), (6814, 3015142), (13628, 1507571), (16939, 1212892), (33878, 606446), (44291, 463868), (67756, 303223), (88582, 231934), (115967, 177164)]