2020009937

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 2401762944

約数和(自身を除く): 381753007

約数列:

[1, 11, 23, 61, 73, 121, 163, 253, 671, 803, 1403, 1679, 1793, 2783, 3749, 4453, 7381, 8833, 9943, 11899, 15433, 18469, 19723, 41239, 48983, 102419, 109373, 130889, 169763, 203159, 228689, 273677, 453629, 538813, 725839, 1126609, 1203103, 1439779, 2515579, 3010447, 7984229, 12392699, 16694297, 27671369, 33114917, 87826519, 183637267, 2020009937]

約数ペア:

[(1, 2020009937), (11, 183637267), (23, 87826519), (61, 33114917), (73, 27671369), (121, 16694297), (163, 12392699), (253, 7984229), (671, 3010447), (803, 2515579), (1403, 1439779), (1679, 1203103), (1793, 1126609), (2783, 725839), (3749, 538813), (4453, 453629), (7381, 273677), (8833, 228689), (9943, 203159), (11899, 169763), (15433, 130889), (18469, 109373), (19723, 102419), (41239, 48983)]