16620996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 47113920

約数和(自身を除く): 30492924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1229, 1932, 2254, 2458, 3381, 3687, 4508, 4916, 6762, 7374, 8603, 13524, 14748, 17206, 25809, 28267, 34412, 51618, 56534, 60221, 84801, 103236, 113068, 120442, 169602, 180663, 197869, 240884, 339204, 361326, 395738, 593607, 722652, 791476, 1187214, 1385083, 2374428, 2770166, 4155249, 5540332, 8310498, 16620996]

約数ペア:

[(1, 16620996), (2, 8310498), (3, 5540332), (4, 4155249), (6, 2770166), (7, 2374428), (12, 1385083), (14, 1187214), (21, 791476), (23, 722652), (28, 593607), (42, 395738), (46, 361326), (49, 339204), (69, 240884), (84, 197869), (92, 180663), (98, 169602), (138, 120442), (147, 113068), (161, 103236), (196, 84801), (276, 60221), (294, 56534), (322, 51618), (483, 34412), (588, 28267), (644, 25809), (966, 17206), (1127, 14748), (1229, 13524), (1932, 8603), (2254, 7374), (2458, 6762), (3381, 4916), (3687, 4508)]