20165339901

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1453}}^1\times {\mathrm{4969}}^1$

素因数の和:6458

約数の個数: 48

約数和(自身を含む): 32952292800

約数和(自身を除く): 12786952899

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 1453, 2793, 4359, 4969, 10171, 14907, 27607, 30513, 34783, 71197, 82821, 94411, 104349, 193249, 213591, 243481, 283233, 579747, 660877, 730443, 1352743, 1982631, 4058229, 4626139, 7219957, 13878417, 21659871, 50539699, 137179183, 151619097, 353777893, 411537549, 960254281, 1061333679, 2880762843, 6721779967, 20165339901]

約数ペア:

[(1, 20165339901), (3, 6721779967), (7, 2880762843), (19, 1061333679), (21, 960254281), (49, 411537549), (57, 353777893), (133, 151619097), (147, 137179183), (399, 50539699), (931, 21659871), (1453, 13878417), (2793, 7219957), (4359, 4626139), (4969, 4058229), (10171, 1982631), (14907, 1352743), (27607, 730443), (30513, 660877), (34783, 579747), (71197, 283233), (82821, 243481), (94411, 213591), (104349, 193249)]