20455817830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1723}}^1\times {\mathrm{24229}}^1$

素因数の和:25973

約数の個数: 48

約数和(自身を含む): 42858605520

約数和(自身を除く): 22402787690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1723, 3446, 8615, 12061, 17230, 24122, 24229, 48458, 60305, 84427, 120610, 121145, 168854, 169603, 242290, 339206, 422135, 844270, 848015, 1187221, 1696030, 2374442, 5936105, 11872210, 41746567, 83493134, 208732835, 292225969, 417465670, 584451938, 1461129845, 2045581783, 2922259690, 4091163566, 10227908915, 20455817830]

約数ペア:

[(1, 20455817830), (2, 10227908915), (5, 4091163566), (7, 2922259690), (10, 2045581783), (14, 1461129845), (35, 584451938), (49, 417465670), (70, 292225969), (98, 208732835), (245, 83493134), (490, 41746567), (1723, 11872210), (3446, 5936105), (8615, 2374442), (12061, 1696030), (17230, 1187221), (24122, 848015), (24229, 844270), (48458, 422135), (60305, 339206), (84427, 242290), (120610, 169603), (121145, 168854)]