20354586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 30794214

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1109, 1311, 2218, 2622, 3059, 3327, 6118, 6654, 7763, 9177, 15526, 18354, 21071, 23289, 25507, 42142, 46578, 51014, 63213, 76521, 126426, 147497, 153042, 178549, 294994, 357098, 442491, 484633, 535647, 884982, 969266, 1071294, 1453899, 2907798, 3392431, 6784862, 10177293, 20354586]

約数ペア:

[(1, 20354586), (2, 10177293), (3, 6784862), (6, 3392431), (7, 2907798), (14, 1453899), (19, 1071294), (21, 969266), (23, 884982), (38, 535647), (42, 484633), (46, 442491), (57, 357098), (69, 294994), (114, 178549), (133, 153042), (138, 147497), (161, 126426), (266, 76521), (322, 63213), (399, 51014), (437, 46578), (483, 42142), (798, 25507), (874, 23289), (966, 21071), (1109, 18354), (1311, 15526), (2218, 9177), (2622, 7763), (3059, 6654), (3327, 6118)]