20219498896

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{55351}}^1$

素因数の和:55472

約数の個数: 60

約数和(自身を含む): 42142798720

約数和(自身を除く): 21923299824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 289, 316, 578, 632, 1156, 1264, 1343, 2312, 2686, 4624, 5372, 10744, 21488, 22831, 45662, 55351, 91324, 110702, 182648, 221404, 365296, 442808, 885616, 940967, 1881934, 3763868, 4372729, 7527736, 8745458, 15055472, 15996439, 17490916, 31992878, 34981832, 63985756, 69963664, 74336393, 127971512, 148672786, 255943024, 297345572, 594691144, 1189382288, 1263718681, 2527437362, 5054874724, 10109749448, 20219498896]

約数ペア:

[(1, 20219498896), (2, 10109749448), (4, 5054874724), (8, 2527437362), (16, 1263718681), (17, 1189382288), (34, 594691144), (68, 297345572), (79, 255943024), (136, 148672786), (158, 127971512), (272, 74336393), (289, 69963664), (316, 63985756), (578, 34981832), (632, 31992878), (1156, 17490916), (1264, 15996439), (1343, 15055472), (2312, 8745458), (2686, 7527736), (4624, 4372729), (5372, 3763868), (10744, 1881934), (21488, 940967), (22831, 885616), (45662, 442808), (55351, 365296), (91324, 221404), (110702, 182648)]