20203156908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{128509}}^1$

素因数の和:128927

約数の個数: 72

約数和(自身を含む): 55852502160

約数和(自身を除く): 35649345252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 397, 794, 1191, 1588, 2382, 3573, 4367, 4764, 7146, 8734, 13101, 14292, 17468, 26202, 39303, 52404, 78606, 128509, 157212, 257018, 385527, 514036, 771054, 1156581, 1413599, 1542108, 2313162, 2827198, 4240797, 4626324, 5654396, 8481594, 12722391, 16963188, 25444782, 50889564, 51018073, 102036146, 153054219, 204072292, 306108438, 459162657, 561198803, 612216876, 918325314, 1122397606, 1683596409, 1836650628, 2244795212, 3367192818, 5050789227, 6734385636, 10101578454, 20203156908]

約数ペア:

[(1, 20203156908), (2, 10101578454), (3, 6734385636), (4, 5050789227), (6, 3367192818), (9, 2244795212), (11, 1836650628), (12, 1683596409), (18, 1122397606), (22, 918325314), (33, 612216876), (36, 561198803), (44, 459162657), (66, 306108438), (99, 204072292), (132, 153054219), (198, 102036146), (396, 51018073), (397, 50889564), (794, 25444782), (1191, 16963188), (1588, 12722391), (2382, 8481594), (3573, 5654396), (4367, 4626324), (4764, 4240797), (7146, 2827198), (8734, 2313162), (13101, 1542108), (14292, 1413599), (17468, 1156581), (26202, 771054), (39303, 514036), (52404, 385527), (78606, 257018), (128509, 157212)]