20256720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7673}}^1$

素因数の和:7700

約数の個数: 80

約数和(自身を含む): 68513472

約数和(自身を除く): 48256752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7673, 15346, 23019, 30692, 38365, 46038, 61384, 76730, 84403, 92076, 115095, 122768, 153460, 168806, 184152, 230190, 253209, 306920, 337612, 368304, 422015, 460380, 506418, 613840, 675224, 844030, 920760, 1012836, 1266045, 1350448, 1688060, 1841520, 2025672, 2532090, 3376120, 4051344, 5064180, 6752240, 10128360, 20256720]

約数ペア:

[(1, 20256720), (2, 10128360), (3, 6752240), (4, 5064180), (5, 4051344), (6, 3376120), (8, 2532090), (10, 2025672), (11, 1841520), (12, 1688060), (15, 1350448), (16, 1266045), (20, 1012836), (22, 920760), (24, 844030), (30, 675224), (33, 613840), (40, 506418), (44, 460380), (48, 422015), (55, 368304), (60, 337612), (66, 306920), (80, 253209), (88, 230190), (110, 184152), (120, 168806), (132, 153460), (165, 122768), (176, 115095), (220, 92076), (240, 84403), (264, 76730), (330, 61384), (440, 46038), (528, 38365), (660, 30692), (880, 23019), (1320, 15346), (2640, 7673)]