20774325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 40845600

約数和(自身を除く): 20071275

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 149, 165, 169, 195, 275, 325, 429, 447, 507, 715, 745, 825, 845, 975, 1639, 1859, 1937, 2145, 2235, 2535, 3575, 3725, 4225, 4917, 5577, 5811, 8195, 9295, 9685, 10725, 11175, 12675, 21307, 24585, 25181, 27885, 29055, 40975, 46475, 48425, 63921, 75543, 106535, 122925, 125905, 139425, 145275, 276991, 319605, 377715, 532675, 629525, 830973, 1384955, 1598025, 1888575, 4154865, 6924775, 20774325]

約数ペア:

[(1, 20774325), (3, 6924775), (5, 4154865), (11, 1888575), (13, 1598025), (15, 1384955), (25, 830973), (33, 629525), (39, 532675), (55, 377715), (65, 319605), (75, 276991), (143, 145275), (149, 139425), (165, 125905), (169, 122925), (195, 106535), (275, 75543), (325, 63921), (429, 48425), (447, 46475), (507, 40975), (715, 29055), (745, 27885), (825, 25181), (845, 24585), (975, 21307), (1639, 12675), (1859, 11175), (1937, 10725), (2145, 9685), (2235, 9295), (2535, 8195), (3575, 5811), (3725, 5577), (4225, 4917)]