20238427720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3142613}}^1$

素因数の和:3142654

約数の個数: 64

約数和(自身を含む): 54304369920

約数和(自身を除く): 34065942200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 3142613, 6285226, 12570452, 15713065, 21998291, 25140904, 31426130, 43996582, 62852260, 72280099, 87993164, 109991455, 125704520, 144560198, 175986328, 219982910, 289120396, 361400495, 439965820, 505960693, 578240792, 722800990, 879931640, 1011921386, 1445601980, 2023842772, 2529803465, 2891203960, 4047685544, 5059606930, 10119213860, 20238427720]

約数ペア:

[(1, 20238427720), (2, 10119213860), (4, 5059606930), (5, 4047685544), (7, 2891203960), (8, 2529803465), (10, 2023842772), (14, 1445601980), (20, 1011921386), (23, 879931640), (28, 722800990), (35, 578240792), (40, 505960693), (46, 439965820), (56, 361400495), (70, 289120396), (92, 219982910), (115, 175986328), (140, 144560198), (161, 125704520), (184, 109991455), (230, 87993164), (280, 72280099), (322, 62852260), (460, 43996582), (644, 31426130), (805, 25140904), (920, 21998291), (1288, 15713065), (1610, 12570452), (3220, 6285226), (6440, 3142613)]