20198491768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{590323}}^1$

素因数の和:590396

約数の個数: 64

約数和(自身を含む): 47603727360

約数和(自身を除く): 27405235592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 182, 188, 329, 364, 376, 611, 658, 728, 1222, 1316, 2444, 2632, 4277, 4888, 8554, 17108, 34216, 590323, 1180646, 2361292, 4132261, 4722584, 7674199, 8264522, 15348398, 16529044, 27745181, 30696796, 33058088, 53719393, 55490362, 61393592, 107438786, 110980724, 194216267, 214877572, 221961448, 360687353, 388432534, 429755144, 721374706, 776865068, 1442749412, 1553730136, 2524811471, 2885498824, 5049622942, 10099245884, 20198491768]

約数ペア:

[(1, 20198491768), (2, 10099245884), (4, 5049622942), (7, 2885498824), (8, 2524811471), (13, 1553730136), (14, 1442749412), (26, 776865068), (28, 721374706), (47, 429755144), (52, 388432534), (56, 360687353), (91, 221961448), (94, 214877572), (104, 194216267), (182, 110980724), (188, 107438786), (329, 61393592), (364, 55490362), (376, 53719393), (611, 33058088), (658, 30696796), (728, 27745181), (1222, 16529044), (1316, 15348398), (2444, 8264522), (2632, 7674199), (4277, 4722584), (4888, 4132261), (8554, 2361292), (17108, 1180646), (34216, 590323)]