20649130878

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1\times {\mathrm{3011}}^1$

素因数の和:4477

約数の個数: 64

約数和(自身を含む): 44529408000

約数和(自身を除く): 23880277122

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1399, 1634, 2451, 2798, 3011, 4197, 4902, 6022, 8394, 9033, 18066, 26581, 53162, 57209, 60157, 79743, 114418, 120314, 129473, 159486, 171627, 180471, 258946, 343254, 360942, 388419, 776838, 1142983, 2285966, 2459987, 3428949, 4212389, 4919974, 6857898, 7379961, 8424778, 12637167, 14759922, 25274334, 80035391, 160070782, 181132727, 240106173, 362265454, 480212346, 543398181, 1086796362, 3441521813, 6883043626, 10324565439, 20649130878]

約数ペア:

[(1, 20649130878), (2, 10324565439), (3, 6883043626), (6, 3441521813), (19, 1086796362), (38, 543398181), (43, 480212346), (57, 362265454), (86, 240106173), (114, 181132727), (129, 160070782), (258, 80035391), (817, 25274334), (1399, 14759922), (1634, 12637167), (2451, 8424778), (2798, 7379961), (3011, 6857898), (4197, 4919974), (4902, 4212389), (6022, 3428949), (8394, 2459987), (9033, 2285966), (18066, 1142983), (26581, 776838), (53162, 388419), (57209, 360942), (60157, 343254), (79743, 258946), (114418, 180471), (120314, 171627), (129473, 159486)]