20114490848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{1237}}^1$

素因数の和:1756

約数の個数: 96

約数和(自身を含む): 42655854528

約数和(自身を除く): 22541363680

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 421, 544, 568, 842, 1136, 1207, 1237, 1684, 2272, 2414, 2474, 3368, 4828, 4948, 6736, 7157, 9656, 9896, 13472, 14314, 19312, 19792, 21029, 28628, 29891, 38624, 39584, 42058, 57256, 59782, 84116, 87827, 114512, 119564, 168232, 175654, 229024, 239128, 336464, 351308, 478256, 508147, 520777, 672928, 702616, 956512, 1016294, 1041554, 1405232, 1493059, 2032588, 2083108, 2810464, 2986118, 4065176, 4166216, 5972236, 8130352, 8332432, 8853209, 11944472, 16260704, 16664864, 17706418, 23888944, 35412836, 36975167, 47777888, 70825672, 73950334, 141651344, 147900668, 283302688, 295801336, 591602672, 628577839, 1183205344, 1257155678, 2514311356, 5028622712, 10057245424, 20114490848]

約数ペア:

[(1, 20114490848), (2, 10057245424), (4, 5028622712), (8, 2514311356), (16, 1257155678), (17, 1183205344), (32, 628577839), (34, 591602672), (68, 295801336), (71, 283302688), (136, 147900668), (142, 141651344), (272, 73950334), (284, 70825672), (421, 47777888), (544, 36975167), (568, 35412836), (842, 23888944), (1136, 17706418), (1207, 16664864), (1237, 16260704), (1684, 11944472), (2272, 8853209), (2414, 8332432), (2474, 8130352), (3368, 5972236), (4828, 4166216), (4948, 4065176), (6736, 2986118), (7157, 2810464), (9656, 2083108), (9896, 2032588), (13472, 1493059), (14314, 1405232), (19312, 1041554), (19792, 1016294), (21029, 956512), (28628, 702616), (29891, 672928), (38624, 520777), (39584, 508147), (42058, 478256), (57256, 351308), (59782, 336464), (84116, 239128), (87827, 229024), (114512, 175654), (119564, 168232)]