20138300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 53809056

約数和(自身を除く): 33670756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2213, 2275, 4426, 4550, 8852, 9100, 11065, 15491, 22130, 28769, 30982, 44260, 55325, 57538, 61964, 77455, 110650, 115076, 143845, 154910, 201383, 221300, 287690, 309820, 387275, 402766, 575380, 719225, 774550, 805532, 1006915, 1438450, 1549100, 2013830, 2876900, 4027660, 5034575, 10069150, 20138300]

約数ペア:

[(1, 20138300), (2, 10069150), (4, 5034575), (5, 4027660), (7, 2876900), (10, 2013830), (13, 1549100), (14, 1438450), (20, 1006915), (25, 805532), (26, 774550), (28, 719225), (35, 575380), (50, 402766), (52, 387275), (65, 309820), (70, 287690), (91, 221300), (100, 201383), (130, 154910), (140, 143845), (175, 115076), (182, 110650), (260, 77455), (325, 61964), (350, 57538), (364, 55325), (455, 44260), (650, 30982), (700, 28769), (910, 22130), (1300, 15491), (1820, 11065), (2213, 9100), (2275, 8852), (4426, 4550)]