20355514280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{2099}}^1$

素因数の和:2343

約数の個数: 128

約数和(自身を含む): 48771072000

約数和(自身を除く): 28415557720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 127, 166, 184, 230, 254, 332, 415, 460, 508, 635, 664, 830, 920, 1016, 1270, 1660, 1909, 2099, 2540, 2921, 3320, 3818, 4198, 5080, 5842, 7636, 8396, 9545, 10495, 10541, 11684, 14605, 15272, 16792, 19090, 20990, 21082, 23368, 29210, 38180, 41980, 42164, 48277, 52705, 58420, 76360, 83960, 84328, 96554, 105410, 116840, 174217, 193108, 210820, 241385, 242443, 266573, 348434, 386216, 421640, 482770, 484886, 533146, 696868, 871085, 965540, 969772, 1066292, 1212215, 1332865, 1393736, 1742170, 1931080, 1939544, 2132584, 2424430, 2665730, 3484340, 4006991, 4848860, 5331460, 6131179, 6968680, 8013982, 9697720, 10662920, 12262358, 16027964, 20034955, 22125559, 24524716, 30655895, 32055928, 40069910, 44251118, 49049432, 61311790, 80139820, 88502236, 110627795, 122623580, 160279640, 177004472, 221255590, 245247160, 442511180, 508887857, 885022360, 1017775714, 2035551428, 2544439285, 4071102856, 5088878570, 10177757140, 20355514280]

約数ペア:

[(1, 20355514280), (2, 10177757140), (4, 5088878570), (5, 4071102856), (8, 2544439285), (10, 2035551428), (20, 1017775714), (23, 885022360), (40, 508887857), (46, 442511180), (83, 245247160), (92, 221255590), (115, 177004472), (127, 160279640), (166, 122623580), (184, 110627795), (230, 88502236), (254, 80139820), (332, 61311790), (415, 49049432), (460, 44251118), (508, 40069910), (635, 32055928), (664, 30655895), (830, 24524716), (920, 22125559), (1016, 20034955), (1270, 16027964), (1660, 12262358), (1909, 10662920), (2099, 9697720), (2540, 8013982), (2921, 6968680), (3320, 6131179), (3818, 5331460), (4198, 4848860), (5080, 4006991), (5842, 3484340), (7636, 2665730), (8396, 2424430), (9545, 2132584), (10495, 1939544), (10541, 1931080), (11684, 1742170), (14605, 1393736), (15272, 1332865), (16792, 1212215), (19090, 1066292), (20990, 969772), (21082, 965540), (23368, 871085), (29210, 696868), (38180, 533146), (41980, 484886), (42164, 482770), (48277, 421640), (52705, 386216), (58420, 348434), (76360, 266573), (83960, 242443), (84328, 241385), (96554, 210820), (105410, 193108), (116840, 174217)]