20204028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1923

約数の個数: 72

約数和(自身を含む): 57421728

約数和(自身を除く): 37217700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1877, 2691, 3588, 3754, 5382, 5631, 7508, 10764, 11262, 16893, 22524, 24401, 33786, 43171, 48802, 67572, 73203, 86342, 97604, 129513, 146406, 172684, 219609, 259026, 292812, 388539, 439218, 518052, 561223, 777078, 878436, 1122446, 1554156, 1683669, 2244892, 3367338, 5051007, 6734676, 10102014, 20204028]

約数ペア:

[(1, 20204028), (2, 10102014), (3, 6734676), (4, 5051007), (6, 3367338), (9, 2244892), (12, 1683669), (13, 1554156), (18, 1122446), (23, 878436), (26, 777078), (36, 561223), (39, 518052), (46, 439218), (52, 388539), (69, 292812), (78, 259026), (92, 219609), (117, 172684), (138, 146406), (156, 129513), (207, 97604), (234, 86342), (276, 73203), (299, 67572), (414, 48802), (468, 43171), (598, 33786), (828, 24401), (897, 22524), (1196, 16893), (1794, 11262), (1877, 10764), (2691, 7508), (3588, 5631), (3754, 5382)]