20161384005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:979

約数の個数: 128

約数和(自身を含む): 39803166720

約数和(自身を除く): 19641782715

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 71, 85, 105, 119, 213, 255, 257, 355, 357, 497, 595, 619, 771, 1065, 1207, 1285, 1491, 1785, 1799, 1857, 2485, 3095, 3621, 3855, 4333, 4369, 5397, 6035, 7455, 8449, 8995, 9285, 10523, 12999, 13107, 18105, 18247, 21665, 21845, 25347, 26985, 30583, 31569, 42245, 43949, 52615, 54741, 64995, 65535, 73661, 91235, 91749, 126735, 127729, 131847, 152915, 157845, 159083, 219745, 220983, 273705, 307643, 310199, 368305, 383187, 458745, 477249, 638645, 659235, 747133, 795415, 922929, 930597, 1104915, 1113581, 1538215, 1550995, 1915935, 2171393, 2241399, 2386245, 2704411, 3340743, 3735665, 4614645, 4652985, 5229931, 5567905, 6514179, 8113233, 10856965, 11206995, 11294893, 13522055, 15689793, 16703715, 18930877, 26149655, 32570895, 33884679, 40566165, 56474465, 56792631, 78448965, 79064251, 94654385, 169423395, 192013181, 237192753, 283963155, 395321255, 576039543, 960065905, 1185963765, 1344092267, 2880197715, 4032276801, 6720461335, 20161384005]

約数ペア:

[(1, 20161384005), (3, 6720461335), (5, 4032276801), (7, 2880197715), (15, 1344092267), (17, 1185963765), (21, 960065905), (35, 576039543), (51, 395321255), (71, 283963155), (85, 237192753), (105, 192013181), (119, 169423395), (213, 94654385), (255, 79064251), (257, 78448965), (355, 56792631), (357, 56474465), (497, 40566165), (595, 33884679), (619, 32570895), (771, 26149655), (1065, 18930877), (1207, 16703715), (1285, 15689793), (1491, 13522055), (1785, 11294893), (1799, 11206995), (1857, 10856965), (2485, 8113233), (3095, 6514179), (3621, 5567905), (3855, 5229931), (4333, 4652985), (4369, 4614645), (5397, 3735665), (6035, 3340743), (7455, 2704411), (8449, 2386245), (8995, 2241399), (9285, 2171393), (10523, 1915935), (12999, 1550995), (13107, 1538215), (18105, 1113581), (18247, 1104915), (21665, 930597), (21845, 922929), (25347, 795415), (26985, 747133), (30583, 659235), (31569, 638645), (42245, 477249), (43949, 458745), (52615, 383187), (54741, 368305), (64995, 310199), (65535, 307643), (73661, 273705), (91235, 220983), (91749, 219745), (126735, 159083), (127729, 157845), (131847, 152915)]