20839068

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 55351296

約数和(自身を除く): 34512228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 124, 142, 186, 213, 263, 279, 284, 372, 426, 526, 558, 639, 789, 852, 1052, 1116, 1278, 1578, 2201, 2367, 2556, 3156, 4402, 4734, 6603, 8153, 8804, 9468, 13206, 16306, 18673, 19809, 24459, 26412, 32612, 37346, 39618, 48918, 56019, 73377, 74692, 79236, 97836, 112038, 146754, 168057, 224076, 293508, 336114, 578863, 672228, 1157726, 1736589, 2315452, 3473178, 5209767, 6946356, 10419534, 20839068]

約数ペア:

[(1, 20839068), (2, 10419534), (3, 6946356), (4, 5209767), (6, 3473178), (9, 2315452), (12, 1736589), (18, 1157726), (31, 672228), (36, 578863), (62, 336114), (71, 293508), (93, 224076), (124, 168057), (142, 146754), (186, 112038), (213, 97836), (263, 79236), (279, 74692), (284, 73377), (372, 56019), (426, 48918), (526, 39618), (558, 37346), (639, 32612), (789, 26412), (852, 24459), (1052, 19809), (1116, 18673), (1278, 16306), (1578, 13206), (2201, 9468), (2367, 8804), (2556, 8153), (3156, 6603), (4402, 4734)]