20887906377

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 30886200576

約数和(自身を除く): 9998294199

約数列:

[1, 3, 13, 39, 97, 113, 131, 291, 339, 373, 393, 1119, 1261, 1469, 1703, 3783, 4407, 4849, 5109, 10961, 12707, 14547, 14803, 32883, 36181, 38121, 42149, 44409, 48863, 108543, 126447, 142493, 146589, 165191, 192439, 427479, 470353, 495573, 547937, 577317, 635219, 1411059, 1435891, 1643811, 1905657, 4088453, 4307673, 4739711, 5521519, 12265359, 14219133, 16564557, 18666583, 53149889, 55999749, 61616243, 71779747, 159449667, 184848729, 215339241, 535587343, 1606762029, 6962635459, 20887906377]

約数ペア:

[(1, 20887906377), (3, 6962635459), (13, 1606762029), (39, 535587343), (97, 215339241), (113, 184848729), (131, 159449667), (291, 71779747), (339, 61616243), (373, 55999749), (393, 53149889), (1119, 18666583), (1261, 16564557), (1469, 14219133), (1703, 12265359), (3783, 5521519), (4407, 4739711), (4849, 4307673), (5109, 4088453), (10961, 1905657), (12707, 1643811), (14547, 1435891), (14803, 1411059), (32883, 635219), (36181, 577317), (38121, 547937), (42149, 495573), (44409, 470353), (48863, 427479), (108543, 192439), (126447, 165191), (142493, 146589)]