20047566735

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1319}}^1$

素因数の和:1518

約数の個数: 144

約数和(自身を含む): 41480112960

約数和(自身を除く): 21432546225

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 105, 113, 147, 183, 245, 305, 315, 339, 427, 441, 549, 565, 735, 791, 915, 1017, 1281, 1319, 1695, 2135, 2205, 2373, 2745, 2989, 3843, 3955, 3957, 5085, 5537, 6405, 6595, 6893, 7119, 8967, 9233, 11865, 11871, 14945, 16611, 19215, 19785, 20679, 26901, 27685, 27699, 34465, 35595, 44835, 46165, 48251, 49833, 59355, 62037, 64631, 80459, 83055, 83097, 103395, 134505, 138495, 144753, 149047, 193893, 241255, 241377, 249165, 310185, 323155, 337757, 402295, 415485, 434259, 447141, 563213, 581679, 723765, 724131, 745235, 969465, 1013271, 1043329, 1206885, 1341423, 1688785, 1689639, 2171295, 2235705, 2816065, 2908395, 3039813, 3129987, 3620655, 3942491, 5066355, 5068917, 5216645, 6707115, 7303303, 8448195, 9091867, 9389961, 11827473, 15199065, 15649935, 19712455, 21909909, 25344585, 27275601, 35482419, 36516515, 45459335, 46949805, 59137365, 63643069, 65729727, 81826803, 109549545, 136378005, 177412095, 190929207, 318215345, 328648635, 409134015, 445501483, 572787621, 954646035, 1336504449, 2227507415, 2863938105, 4009513347, 6682522245, 20047566735]

約数ペア:

[(1, 20047566735), (3, 6682522245), (5, 4009513347), (7, 2863938105), (9, 2227507415), (15, 1336504449), (21, 954646035), (35, 572787621), (45, 445501483), (49, 409134015), (61, 328648635), (63, 318215345), (105, 190929207), (113, 177412095), (147, 136378005), (183, 109549545), (245, 81826803), (305, 65729727), (315, 63643069), (339, 59137365), (427, 46949805), (441, 45459335), (549, 36516515), (565, 35482419), (735, 27275601), (791, 25344585), (915, 21909909), (1017, 19712455), (1281, 15649935), (1319, 15199065), (1695, 11827473), (2135, 9389961), (2205, 9091867), (2373, 8448195), (2745, 7303303), (2989, 6707115), (3843, 5216645), (3955, 5068917), (3957, 5066355), (5085, 3942491), (5537, 3620655), (6405, 3129987), (6595, 3039813), (6893, 2908395), (7119, 2816065), (8967, 2235705), (9233, 2171295), (11865, 1689639), (11871, 1688785), (14945, 1341423), (16611, 1206885), (19215, 1043329), (19785, 1013271), (20679, 969465), (26901, 745235), (27685, 724131), (27699, 723765), (34465, 581679), (35595, 563213), (44835, 447141), (46165, 434259), (48251, 415485), (49833, 402295), (59355, 337757), (62037, 323155), (64631, 310185), (80459, 249165), (83055, 241377), (83097, 241255), (103395, 193893), (134505, 149047), (138495, 144753)]