20770650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 56479644

約数和(自身を除く): 35708994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 150, 202, 225, 303, 450, 457, 505, 606, 909, 914, 1010, 1371, 1515, 1818, 2285, 2525, 2742, 3030, 4113, 4545, 4570, 5050, 6855, 7575, 8226, 9090, 11425, 13710, 15150, 20565, 22725, 22850, 34275, 41130, 45450, 46157, 68550, 92314, 102825, 138471, 205650, 230785, 276942, 415413, 461570, 692355, 830826, 1153925, 1384710, 2077065, 2307850, 3461775, 4154130, 6923550, 10385325, 20770650]

約数ペア:

[(1, 20770650), (2, 10385325), (3, 6923550), (5, 4154130), (6, 3461775), (9, 2307850), (10, 2077065), (15, 1384710), (18, 1153925), (25, 830826), (30, 692355), (45, 461570), (50, 415413), (75, 276942), (90, 230785), (101, 205650), (150, 138471), (202, 102825), (225, 92314), (303, 68550), (450, 46157), (457, 45450), (505, 41130), (606, 34275), (909, 22850), (914, 22725), (1010, 20565), (1371, 15150), (1515, 13710), (1818, 11425), (2285, 9090), (2525, 8226), (2742, 7575), (3030, 6855), (4113, 5050), (4545, 4570)]