20635552

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5419}}^1$

素因数の和:5453

約数の個数: 48

約数和(自身を含む): 49170240

約数和(自身を除く): 28534688

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5419, 10838, 21676, 37933, 43352, 75866, 86704, 92123, 151732, 173408, 184246, 303464, 368492, 606928, 644861, 736984, 1213856, 1289722, 1473968, 2579444, 2947936, 5158888, 10317776, 20635552]

約数ペア:

[(1, 20635552), (2, 10317776), (4, 5158888), (7, 2947936), (8, 2579444), (14, 1473968), (16, 1289722), (17, 1213856), (28, 736984), (32, 644861), (34, 606928), (56, 368492), (68, 303464), (112, 184246), (119, 173408), (136, 151732), (224, 92123), (238, 86704), (272, 75866), (476, 43352), (544, 37933), (952, 21676), (1904, 10838), (3808, 5419)]