20778811228

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3655667}}^1$

素因数の和:3655714

約数の個数: 36

約数和(自身を含む): 43758345960

約数和(自身を除く): 22979534732

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 3655667, 7311334, 14622668, 25589669, 51179338, 102358676, 106014343, 179127683, 212028686, 358255366, 424057372, 716510732, 742100401, 1484200802, 2968401604, 5194702807, 10389405614, 20778811228]

約数ペア:

[(1, 20778811228), (2, 10389405614), (4, 5194702807), (7, 2968401604), (14, 1484200802), (28, 742100401), (29, 716510732), (49, 424057372), (58, 358255366), (98, 212028686), (116, 179127683), (196, 106014343), (203, 102358676), (406, 51179338), (812, 25589669), (1421, 14622668), (2842, 7311334), (5684, 3655667)]