20063628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 55943888

約数和(自身を除く): 35880260

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 997, 1118, 1548, 1677, 1994, 2236, 2991, 3354, 3988, 5031, 5982, 6708, 8973, 10062, 11964, 12961, 17946, 20124, 25922, 35892, 38883, 42871, 51844, 77766, 85742, 116649, 128613, 155532, 171484, 233298, 257226, 385839, 466596, 514452, 557323, 771678, 1114646, 1543356, 1671969, 2229292, 3343938, 5015907, 6687876, 10031814, 20063628]

約数ペア:

[(1, 20063628), (2, 10031814), (3, 6687876), (4, 5015907), (6, 3343938), (9, 2229292), (12, 1671969), (13, 1543356), (18, 1114646), (26, 771678), (36, 557323), (39, 514452), (43, 466596), (52, 385839), (78, 257226), (86, 233298), (117, 171484), (129, 155532), (156, 128613), (172, 116649), (234, 85742), (258, 77766), (387, 51844), (468, 42871), (516, 38883), (559, 35892), (774, 25922), (997, 20124), (1118, 17946), (1548, 12961), (1677, 11964), (1994, 10062), (2236, 8973), (2991, 6708), (3354, 5982), (3988, 5031)]