20724702978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{249089}}^1$

素因数の和:249391

約数の個数: 48

約数和(自身を含む): 48387227040

約数和(自身を除く): 27662524062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 283, 294, 566, 849, 1698, 1981, 3962, 5943, 11886, 13867, 27734, 41601, 83202, 249089, 498178, 747267, 1494534, 1743623, 3487246, 5230869, 10461738, 12205361, 24410722, 36616083, 70492187, 73232166, 140984374, 211476561, 422953122, 493445309, 986890618, 1480335927, 2960671854, 3454117163, 6908234326, 10362351489, 20724702978]

約数ペア:

[(1, 20724702978), (2, 10362351489), (3, 6908234326), (6, 3454117163), (7, 2960671854), (14, 1480335927), (21, 986890618), (42, 493445309), (49, 422953122), (98, 211476561), (147, 140984374), (283, 73232166), (294, 70492187), (566, 36616083), (849, 24410722), (1698, 12205361), (1981, 10461738), (3962, 5230869), (5943, 3487246), (11886, 1743623), (13867, 1494534), (27734, 747267), (41601, 498178), (83202, 249089)]