20194966392

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{6779}}^1$

素因数の和:6993

約数の個数: 128

約数和(自身を含む): 54673920000

約数和(自身を除く): 34478953608

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 47, 57, 76, 94, 114, 139, 141, 152, 188, 228, 278, 282, 376, 417, 456, 556, 564, 834, 893, 1112, 1128, 1668, 1786, 2641, 2679, 3336, 3572, 5282, 5358, 6533, 6779, 7144, 7923, 10564, 10716, 13066, 13558, 15846, 19599, 20337, 21128, 21432, 26132, 27116, 31692, 39198, 40674, 52264, 54232, 63384, 78396, 81348, 124127, 128801, 156792, 162696, 248254, 257602, 318613, 372381, 386403, 496508, 515204, 637226, 744762, 772806, 942281, 955839, 993016, 1030408, 1274452, 1489524, 1545612, 1884562, 1911678, 2548904, 2826843, 2979048, 3091224, 3769124, 3823356, 5653686, 6053647, 7538248, 7646712, 11307372, 12107294, 17903339, 18160941, 22614744, 24214588, 35806678, 36321882, 44287207, 48429176, 53710017, 71613356, 72643764, 88574414, 107420034, 132861621, 143226712, 145287528, 177148828, 214840068, 265723242, 354297656, 429680136, 531446484, 841456933, 1062892968, 1682913866, 2524370799, 3365827732, 5048741598, 6731655464, 10097483196, 20194966392]

約数ペア:

[(1, 20194966392), (2, 10097483196), (3, 6731655464), (4, 5048741598), (6, 3365827732), (8, 2524370799), (12, 1682913866), (19, 1062892968), (24, 841456933), (38, 531446484), (47, 429680136), (57, 354297656), (76, 265723242), (94, 214840068), (114, 177148828), (139, 145287528), (141, 143226712), (152, 132861621), (188, 107420034), (228, 88574414), (278, 72643764), (282, 71613356), (376, 53710017), (417, 48429176), (456, 44287207), (556, 36321882), (564, 35806678), (834, 24214588), (893, 22614744), (1112, 18160941), (1128, 17903339), (1668, 12107294), (1786, 11307372), (2641, 7646712), (2679, 7538248), (3336, 6053647), (3572, 5653686), (5282, 3823356), (5358, 3769124), (6533, 3091224), (6779, 2979048), (7144, 2826843), (7923, 2548904), (10564, 1911678), (10716, 1884562), (13066, 1545612), (13558, 1489524), (15846, 1274452), (19599, 1030408), (20337, 993016), (21128, 955839), (21432, 942281), (26132, 772806), (27116, 744762), (31692, 637226), (39198, 515204), (40674, 496508), (52264, 386403), (54232, 372381), (63384, 318613), (78396, 257602), (81348, 248254), (124127, 162696), (128801, 156792)]