20199453945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 37884672000

約数和(自身を除く): 17685218055

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 83, 95, 149, 165, 209, 249, 285, 415, 447, 521, 627, 745, 913, 1045, 1245, 1563, 1577, 1639, 2235, 2605, 2739, 2831, 3135, 4565, 4731, 4917, 5731, 7815, 7885, 8195, 8493, 9899, 12367, 13695, 14155, 17193, 17347, 23655, 24585, 28655, 29697, 31141, 37101, 42465, 43243, 49495, 52041, 61835, 77629, 85965, 86735, 93423, 108889, 129729, 136037, 148485, 155705, 185505, 216215, 232887, 234973, 260205, 326667, 388145, 408111, 467115, 475673, 544445, 648645, 680185, 704919, 821617, 853919, 1164435, 1174865, 1427019, 1474951, 1633335, 2040555, 2378365, 2464851, 2561757, 2584703, 3524595, 4108085, 4269595, 4424853, 6443207, 7135095, 7374755, 7754109, 9037787, 12324255, 12808785, 12923515, 16224461, 19329621, 22124265, 27113361, 32216035, 38770545, 45188935, 48673383, 70875277, 81122305, 96648105, 122420933, 135566805, 212625831, 243366915, 354376385, 367262799, 612104665, 1063129155, 1346630263, 1836313995, 4039890789, 6733151315, 20199453945]

約数ペア:

[(1, 20199453945), (3, 6733151315), (5, 4039890789), (11, 1836313995), (15, 1346630263), (19, 1063129155), (33, 612104665), (55, 367262799), (57, 354376385), (83, 243366915), (95, 212625831), (149, 135566805), (165, 122420933), (209, 96648105), (249, 81122305), (285, 70875277), (415, 48673383), (447, 45188935), (521, 38770545), (627, 32216035), (745, 27113361), (913, 22124265), (1045, 19329621), (1245, 16224461), (1563, 12923515), (1577, 12808785), (1639, 12324255), (2235, 9037787), (2605, 7754109), (2739, 7374755), (2831, 7135095), (3135, 6443207), (4565, 4424853), (4731, 4269595), (4917, 4108085), (5731, 3524595), (7815, 2584703), (7885, 2561757), (8195, 2464851), (8493, 2378365), (9899, 2040555), (12367, 1633335), (13695, 1474951), (14155, 1427019), (17193, 1174865), (17347, 1164435), (23655, 853919), (24585, 821617), (28655, 704919), (29697, 680185), (31141, 648645), (37101, 544445), (42465, 475673), (43243, 467115), (49495, 408111), (52041, 388145), (61835, 326667), (77629, 260205), (85965, 234973), (86735, 232887), (93423, 216215), (108889, 185505), (129729, 155705), (136037, 148485)]