20223555597

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{128971}}^1$

素因数の和:129134

約数の個数: 48

約数和(自身を含む): 35410552320

約数和(自身を除く): 15186996723

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 917, 1179, 1197, 2489, 2751, 7467, 8253, 17423, 22401, 52269, 128971, 156807, 386913, 902797, 1160739, 2450449, 2708391, 7351347, 8125173, 16895201, 17153143, 22054041, 50685603, 51459429, 118266407, 152056809, 154378287, 321008819, 354799221, 963026457, 1064397663, 2247061733, 2889079371, 6741185199, 20223555597]

約数ペア:

[(1, 20223555597), (3, 6741185199), (7, 2889079371), (9, 2247061733), (19, 1064397663), (21, 963026457), (57, 354799221), (63, 321008819), (131, 154378287), (133, 152056809), (171, 118266407), (393, 51459429), (399, 50685603), (917, 22054041), (1179, 17153143), (1197, 16895201), (2489, 8125173), (2751, 7351347), (7467, 2708391), (8253, 2450449), (17423, 1160739), (22401, 902797), (52269, 386913), (128971, 156807)]