20948886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3137}}^1$

素因数の和:3205

約数の個数: 48

約数和(自身を含む): 52869024

約数和(自身を除く): 31920138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3137, 3339, 6274, 6678, 9411, 18822, 21959, 28233, 43918, 56466, 65877, 131754, 166261, 197631, 332522, 395262, 498783, 997566, 1163827, 1496349, 2327654, 2992698, 3491481, 6982962, 10474443, 20948886]

約数ペア:

[(1, 20948886), (2, 10474443), (3, 6982962), (6, 3491481), (7, 2992698), (9, 2327654), (14, 1496349), (18, 1163827), (21, 997566), (42, 498783), (53, 395262), (63, 332522), (106, 197631), (126, 166261), (159, 131754), (318, 65877), (371, 56466), (477, 43918), (742, 28233), (954, 21959), (1113, 18822), (2226, 9411), (3137, 6678), (3339, 6274)]