20388720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7723}}^1$

素因数の和:7750

約数の個数: 80

約数和(自身を含む): 68959872

約数和(自身を除く): 48571152

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, 7723, 15446, 23169, 30892, 38615, 46338, 61784, 77230, 84953, 92676, 115845, 123568, 154460, 169906, 185352, 231690, 254859, 308920, 339812, 370704, 424765, 463380, 509718, 617840, 679624, 849530, 926760, 1019436, 1274295, 1359248, 1699060, 1853520, 2038872, 2548590, 3398120, 4077744, 5097180, 6796240, 10194360, 20388720]

約数ペア:

[(1, 20388720), (2, 10194360), (3, 6796240), (4, 5097180), (5, 4077744), (6, 3398120), (8, 2548590), (10, 2038872), (11, 1853520), (12, 1699060), (15, 1359248), (16, 1274295), (20, 1019436), (22, 926760), (24, 849530), (30, 679624), (33, 617840), (40, 509718), (44, 463380), (48, 424765), (55, 370704), (60, 339812), (66, 308920), (80, 254859), (88, 231690), (110, 185352), (120, 169906), (132, 154460), (165, 123568), (176, 115845), (220, 92676), (240, 84953), (264, 77230), (330, 61784), (440, 46338), (528, 38615), (660, 30892), (880, 23169), (1320, 15446), (2640, 7723)]