20729394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 53831232

約数和(自身を除く): 33101838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 311, 322, 414, 483, 529, 622, 933, 966, 1058, 1449, 1587, 1866, 2177, 2799, 2898, 3174, 3703, 4354, 4761, 5598, 6531, 7153, 7406, 9522, 11109, 13062, 14306, 19593, 21459, 22218, 33327, 39186, 42918, 50071, 64377, 66654, 100142, 128754, 150213, 164519, 300426, 329038, 450639, 493557, 901278, 987114, 1151633, 1480671, 2303266, 2961342, 3454899, 6909798, 10364697, 20729394]

約数ペア:

[(1, 20729394), (2, 10364697), (3, 6909798), (6, 3454899), (7, 2961342), (9, 2303266), (14, 1480671), (18, 1151633), (21, 987114), (23, 901278), (42, 493557), (46, 450639), (63, 329038), (69, 300426), (126, 164519), (138, 150213), (161, 128754), (207, 100142), (311, 66654), (322, 64377), (414, 50071), (483, 42918), (529, 39186), (622, 33327), (933, 22218), (966, 21459), (1058, 19593), (1449, 14306), (1587, 13062), (1866, 11109), (2177, 9522), (2799, 7406), (2898, 7153), (3174, 6531), (3703, 5598), (4354, 4761)]