20040242523652

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{9661}}^1\times {\mathrm{161503}}^1$

素因数の和:171213

約数の個数: 72

約数和(自身を含む): 39978771221760

約数和(自身を除く): 19938528698108

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 9661, 12844, 19322, 38644, 125593, 161503, 183559, 251186, 323006, 367118, 502372, 646012, 734236, 1632709, 2099539, 2386267, 3068557, 3265418, 4199078, 4772534, 6137114, 6530836, 8398156, 9545068, 12274228, 27294007, 31021471, 39891241, 54588014, 62042942, 79782482, 109176028, 124085884, 159564964, 518586133, 1037172266, 1560280483, 2074344532, 3120560966, 6241121932, 20283646279, 29645329177, 40567292558, 59290658354, 81134585116, 118581316708, 263687401627, 385389279301, 527374803254, 770778558602, 1054749606508, 1541557117204, 5010060630913, 10020121261826, 20040242523652]

約数ペア:

[(1, 20040242523652), (2, 10020121261826), (4, 5010060630913), (13, 1541557117204), (19, 1054749606508), (26, 770778558602), (38, 527374803254), (52, 385389279301), (76, 263687401627), (169, 118581316708), (247, 81134585116), (338, 59290658354), (494, 40567292558), (676, 29645329177), (988, 20283646279), (3211, 6241121932), (6422, 3120560966), (9661, 2074344532), (12844, 1560280483), (19322, 1037172266), (38644, 518586133), (125593, 159564964), (161503, 124085884), (183559, 109176028), (251186, 79782482), (323006, 62042942), (367118, 54588014), (502372, 39891241), (646012, 31021471), (734236, 27294007), (1632709, 12274228), (2099539, 9545068), (2386267, 8398156), (3068557, 6530836), (3265418, 6137114), (4199078, 4772534)]