20083570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 22010510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 173, 190, 235, 247, 346, 470, 494, 611, 865, 893, 1222, 1235, 1730, 1786, 2249, 2470, 3055, 3287, 4465, 4498, 6110, 6574, 8131, 8930, 11245, 11609, 16262, 16435, 22490, 23218, 32870, 40655, 42731, 58045, 81310, 85462, 105703, 116090, 154489, 211406, 213655, 308978, 427310, 528515, 772445, 1057030, 1544890, 2008357, 4016714, 10041785, 20083570]

約数ペア:

[(1, 20083570), (2, 10041785), (5, 4016714), (10, 2008357), (13, 1544890), (19, 1057030), (26, 772445), (38, 528515), (47, 427310), (65, 308978), (94, 213655), (95, 211406), (130, 154489), (173, 116090), (190, 105703), (235, 85462), (247, 81310), (346, 58045), (470, 42731), (494, 40655), (611, 32870), (865, 23218), (893, 22490), (1222, 16435), (1235, 16262), (1730, 11609), (1786, 11245), (2249, 8930), (2470, 8131), (3055, 6574), (3287, 6110), (4465, 4498)]