20995898560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{721013}}^1$

素因数の和:721050

約数の個数: 112

約数和(自身を含む): 61534218816

約数和(自身を除く): 40538320256

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 14560, 29120, 721013, 1442026, 2884052, 3605065, 5047091, 5768104, 7210130, 9373169, 10094182, 11536208, 14420260, 18746338, 20188364, 23072416, 25235455, 28840520, 37492676, 40376728, 46144832, 46865845, 50470910, 57681040, 65612183, 74985352, 80753456, 93731690, 100941820, 115362080, 131224366, 149970704, 161506912, 187463380, 201883640, 230724160, 262448732, 299941408, 323013824, 328060915, 374926760, 403767280, 524897464, 599882816, 656121830, 749853520, 807534560, 1049794928, 1312243660, 1499707040, 1615069120, 2099589856, 2624487320, 2999414080, 4199179712, 5248974640, 10497949280, 20995898560]

約数ペア:

[(1, 20995898560), (2, 10497949280), (4, 5248974640), (5, 4199179712), (7, 2999414080), (8, 2624487320), (10, 2099589856), (13, 1615069120), (14, 1499707040), (16, 1312243660), (20, 1049794928), (26, 807534560), (28, 749853520), (32, 656121830), (35, 599882816), (40, 524897464), (52, 403767280), (56, 374926760), (64, 328060915), (65, 323013824), (70, 299941408), (80, 262448732), (91, 230724160), (104, 201883640), (112, 187463380), (130, 161506912), (140, 149970704), (160, 131224366), (182, 115362080), (208, 100941820), (224, 93731690), (260, 80753456), (280, 74985352), (320, 65612183), (364, 57681040), (416, 50470910), (448, 46865845), (455, 46144832), (520, 40376728), (560, 37492676), (728, 28840520), (832, 25235455), (910, 23072416), (1040, 20188364), (1120, 18746338), (1456, 14420260), (1820, 11536208), (2080, 10094182), (2240, 9373169), (2912, 7210130), (3640, 5768104), (4160, 5047091), (5824, 3605065), (7280, 2884052), (14560, 1442026), (29120, 721013)]