20783030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 39441600

約数和(自身を除く): 18658570

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 829, 1090, 1658, 2507, 4145, 5014, 8290, 12535, 19067, 25070, 38134, 90361, 95335, 180722, 190670, 451805, 903610, 2078303, 4156606, 10391515, 20783030]

約数ペア:

[(1, 20783030), (2, 10391515), (5, 4156606), (10, 2078303), (23, 903610), (46, 451805), (109, 190670), (115, 180722), (218, 95335), (230, 90361), (545, 38134), (829, 25070), (1090, 19067), (1658, 12535), (2507, 8290), (4145, 5014)]