20898150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1566

約数の個数: 96

約数和(自身を含む): 63829248

約数和(自身を除く): 42931098

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1531, 1950, 2275, 2730, 3062, 4550, 4593, 6825, 7655, 9186, 10717, 13650, 15310, 19903, 21434, 22965, 32151, 38275, 39806, 45930, 53585, 59709, 64302, 76550, 99515, 107170, 114825, 119418, 139321, 160755, 199030, 229650, 267925, 278642, 298545, 321510, 417963, 497575, 535850, 597090, 696605, 803775, 835926, 995150, 1393210, 1492725, 1607550, 2089815, 2985450, 3483025, 4179630, 6966050, 10449075, 20898150]

約数ペア:

[(1, 20898150), (2, 10449075), (3, 6966050), (5, 4179630), (6, 3483025), (7, 2985450), (10, 2089815), (13, 1607550), (14, 1492725), (15, 1393210), (21, 995150), (25, 835926), (26, 803775), (30, 696605), (35, 597090), (39, 535850), (42, 497575), (50, 417963), (65, 321510), (70, 298545), (75, 278642), (78, 267925), (91, 229650), (105, 199030), (130, 160755), (150, 139321), (175, 119418), (182, 114825), (195, 107170), (210, 99515), (273, 76550), (325, 64302), (350, 59709), (390, 53585), (455, 45930), (525, 39806), (546, 38275), (650, 32151), (910, 22965), (975, 21434), (1050, 19903), (1365, 15310), (1531, 13650), (1950, 10717), (2275, 9186), (2730, 7655), (3062, 6825), (4550, 4593)]