20673198

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 57647520

約数和(自身を除く): 36974322

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 91, 98, 117, 126, 147, 182, 189, 234, 273, 294, 351, 378, 441, 546, 601, 637, 702, 819, 882, 1202, 1274, 1323, 1638, 1803, 1911, 2457, 2646, 3606, 3822, 4207, 4914, 5409, 5733, 7813, 8414, 10818, 11466, 12621, 15626, 16227, 17199, 23439, 25242, 29449, 32454, 34398, 37863, 46878, 54691, 58898, 70317, 75726, 88347, 109382, 113589, 140634, 164073, 176694, 210951, 227178, 265041, 328146, 382837, 421902, 492219, 530082, 765674, 795123, 984438, 1148511, 1476657, 1590246, 2297022, 2953314, 3445533, 6891066, 10336599, 20673198]

約数ペア:

[(1, 20673198), (2, 10336599), (3, 6891066), (6, 3445533), (7, 2953314), (9, 2297022), (13, 1590246), (14, 1476657), (18, 1148511), (21, 984438), (26, 795123), (27, 765674), (39, 530082), (42, 492219), (49, 421902), (54, 382837), (63, 328146), (78, 265041), (91, 227178), (98, 210951), (117, 176694), (126, 164073), (147, 140634), (182, 113589), (189, 109382), (234, 88347), (273, 75726), (294, 70317), (351, 58898), (378, 54691), (441, 46878), (546, 37863), (601, 34398), (637, 32454), (702, 29449), (819, 25242), (882, 23439), (1202, 17199), (1274, 16227), (1323, 15626), (1638, 12621), (1803, 11466), (1911, 10818), (2457, 8414), (2646, 7813), (3606, 5733), (3822, 5409), (4207, 4914)]