20208978896

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{58657}}^1$

素因数の和:59079

約数の個数: 40

約数和(自身を含む): 39910199304

約数和(自身を除く): 19701220408

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 353, 488, 706, 976, 1412, 2824, 5648, 21533, 43066, 58657, 86132, 117314, 172264, 234628, 344528, 469256, 938512, 3578077, 7156154, 14312308, 20705921, 28624616, 41411842, 57249232, 82823684, 165647368, 331294736, 1263061181, 2526122362, 5052244724, 10104489448, 20208978896]

約数ペア:

[(1, 20208978896), (2, 10104489448), (4, 5052244724), (8, 2526122362), (16, 1263061181), (61, 331294736), (122, 165647368), (244, 82823684), (353, 57249232), (488, 41411842), (706, 28624616), (976, 20705921), (1412, 14312308), (2824, 7156154), (5648, 3578077), (21533, 938512), (43066, 469256), (58657, 344528), (86132, 234628), (117314, 172264)]