20587696563

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1\times {\mathrm{1783}}^1$

素因数の和:2528

約数の個数: 64

約数和(自身を含む): 33860034560

約数和(自身を除く): 13272337997

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 673, 817, 903, 1783, 2019, 2451, 4711, 5349, 5719, 12481, 12787, 14133, 17157, 28939, 33877, 37443, 38361, 76669, 86817, 89509, 101631, 202573, 230007, 237139, 268527, 536683, 549841, 607719, 711417, 1199959, 1456711, 1610049, 1649523, 3599877, 3848887, 4370133, 8399713, 10196977, 11546661, 22799221, 25199139, 30590931, 51598237, 68397663, 154794711, 159594547, 361187659, 478783641, 980366503, 1083562977, 2941099509, 6862565521, 20587696563]

約数ペア:

[(1, 20587696563), (3, 6862565521), (7, 2941099509), (19, 1083562977), (21, 980366503), (43, 478783641), (57, 361187659), (129, 159594547), (133, 154794711), (301, 68397663), (399, 51598237), (673, 30590931), (817, 25199139), (903, 22799221), (1783, 11546661), (2019, 10196977), (2451, 8399713), (4711, 4370133), (5349, 3848887), (5719, 3599877), (12481, 1649523), (12787, 1610049), (14133, 1456711), (17157, 1199959), (28939, 711417), (33877, 607719), (37443, 549841), (38361, 536683), (76669, 268527), (86817, 237139), (89509, 230007), (101631, 202573)]