20528436

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 30274764

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 179, 228, 358, 503, 537, 716, 1006, 1074, 1509, 2012, 2148, 3018, 3401, 6036, 6802, 9557, 10203, 13604, 19114, 20406, 28671, 38228, 40812, 57342, 90037, 114684, 180074, 270111, 360148, 540222, 1080444, 1710703, 3421406, 5132109, 6842812, 10264218, 20528436]

約数ペア:

[(1, 20528436), (2, 10264218), (3, 6842812), (4, 5132109), (6, 3421406), (12, 1710703), (19, 1080444), (38, 540222), (57, 360148), (76, 270111), (114, 180074), (179, 114684), (228, 90037), (358, 57342), (503, 40812), (537, 38228), (716, 28671), (1006, 20406), (1074, 19114), (1509, 13604), (2012, 10203), (2148, 9557), (3018, 6802), (3401, 6036)]