20305604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21062716

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 107, 209, 214, 227, 418, 428, 454, 836, 908, 1177, 2033, 2354, 2497, 4066, 4313, 4708, 4994, 8132, 8626, 9988, 17252, 22363, 24289, 44726, 47443, 48578, 89452, 94886, 97156, 189772, 267179, 461491, 534358, 922982, 1068716, 1845964, 5076401, 10152802, 20305604]

約数ペア:

[(1, 20305604), (2, 10152802), (4, 5076401), (11, 1845964), (19, 1068716), (22, 922982), (38, 534358), (44, 461491), (76, 267179), (107, 189772), (209, 97156), (214, 94886), (227, 89452), (418, 48578), (428, 47443), (454, 44726), (836, 24289), (908, 22363), (1177, 17252), (2033, 9988), (2354, 8626), (2497, 8132), (4066, 4994), (4313, 4708)]