20755476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3621

約数の個数: 72

約数和(自身を含む): 62584704

約数和(自身を除く): 41829228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3581, 5796, 7162, 10743, 14324, 21486, 25067, 32229, 42972, 50134, 64458, 75201, 82363, 100268, 128916, 150402, 164726, 225603, 247089, 300804, 329452, 451206, 494178, 576541, 741267, 902412, 988356, 1153082, 1482534, 1729623, 2306164, 2965068, 3459246, 5188869, 6918492, 10377738, 20755476]

約数ペア:

[(1, 20755476), (2, 10377738), (3, 6918492), (4, 5188869), (6, 3459246), (7, 2965068), (9, 2306164), (12, 1729623), (14, 1482534), (18, 1153082), (21, 988356), (23, 902412), (28, 741267), (36, 576541), (42, 494178), (46, 451206), (63, 329452), (69, 300804), (84, 247089), (92, 225603), (126, 164726), (138, 150402), (161, 128916), (207, 100268), (252, 82363), (276, 75201), (322, 64458), (414, 50134), (483, 42972), (644, 32229), (828, 25067), (966, 21486), (1449, 14324), (1932, 10743), (2898, 7162), (3581, 5796)]