20790198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 54486432

約数和(自身を除く): 33696234

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 41, 66, 78, 82, 99, 117, 123, 143, 197, 198, 234, 246, 286, 369, 394, 429, 451, 533, 591, 738, 858, 902, 1066, 1182, 1287, 1353, 1599, 1773, 2167, 2561, 2574, 2706, 3198, 3546, 4059, 4334, 4797, 5122, 5863, 6501, 7683, 8077, 8118, 9594, 11726, 13002, 15366, 16154, 17589, 19503, 23049, 24231, 28171, 35178, 39006, 46098, 48462, 52767, 56342, 72693, 84513, 88847, 105001, 105534, 145386, 169026, 177694, 210002, 253539, 266541, 315003, 507078, 533082, 630006, 799623, 945009, 1155011, 1599246, 1890018, 2310022, 3465033, 6930066, 10395099, 20790198]

約数ペア:

[(1, 20790198), (2, 10395099), (3, 6930066), (6, 3465033), (9, 2310022), (11, 1890018), (13, 1599246), (18, 1155011), (22, 945009), (26, 799623), (33, 630006), (39, 533082), (41, 507078), (66, 315003), (78, 266541), (82, 253539), (99, 210002), (117, 177694), (123, 169026), (143, 145386), (197, 105534), (198, 105001), (234, 88847), (246, 84513), (286, 72693), (369, 56342), (394, 52767), (429, 48462), (451, 46098), (533, 39006), (591, 35178), (738, 28171), (858, 24231), (902, 23049), (1066, 19503), (1182, 17589), (1287, 16154), (1353, 15366), (1599, 13002), (1773, 11726), (2167, 9594), (2561, 8118), (2574, 8077), (2706, 7683), (3198, 6501), (3546, 5863), (4059, 5122), (4334, 4797)]