20300468800

素因数分解:

$2^6\times 5^2\times {\mathrm{239}}^1\times {\mathrm{53087}}^1$

素因数の和:53348

約数の個数: 84

約数和(自身を含む): 50161789440

約数和(自身を除く): 29861320640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 239, 320, 400, 478, 800, 956, 1195, 1600, 1912, 2390, 3824, 4780, 5975, 7648, 9560, 11950, 15296, 19120, 23900, 38240, 47800, 53087, 76480, 95600, 106174, 191200, 212348, 265435, 382400, 424696, 530870, 849392, 1061740, 1327175, 1698784, 2123480, 2654350, 3397568, 4246960, 5308700, 8493920, 10617400, 12687793, 16987840, 21234800, 25375586, 42469600, 50751172, 63438965, 84939200, 101502344, 126877930, 203004688, 253755860, 317194825, 406009376, 507511720, 634389650, 812018752, 1015023440, 1268779300, 2030046880, 2537558600, 4060093760, 5075117200, 10150234400, 20300468800]

約数ペア:

[(1, 20300468800), (2, 10150234400), (4, 5075117200), (5, 4060093760), (8, 2537558600), (10, 2030046880), (16, 1268779300), (20, 1015023440), (25, 812018752), (32, 634389650), (40, 507511720), (50, 406009376), (64, 317194825), (80, 253755860), (100, 203004688), (160, 126877930), (200, 101502344), (239, 84939200), (320, 63438965), (400, 50751172), (478, 42469600), (800, 25375586), (956, 21234800), (1195, 16987840), (1600, 12687793), (1912, 10617400), (2390, 8493920), (3824, 5308700), (4780, 4246960), (5975, 3397568), (7648, 2654350), (9560, 2123480), (11950, 1698784), (15296, 1327175), (19120, 1061740), (23900, 849392), (38240, 530870), (47800, 424696), (53087, 382400), (76480, 265435), (95600, 212348), (106174, 191200)]