20495200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 58215024

約数和(自身を除く): 37719824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 137, 160, 170, 176, 187, 200, 220, 272, 274, 275, 340, 352, 374, 400, 425, 440, 544, 548, 550, 680, 685, 748, 800, 850, 880, 935, 1096, 1100, 1360, 1370, 1496, 1507, 1700, 1760, 1870, 2192, 2200, 2329, 2720, 2740, 2992, 3014, 3400, 3425, 3740, 4384, 4400, 4658, 4675, 5480, 5984, 6028, 6800, 6850, 7480, 7535, 8800, 9316, 9350, 10960, 11645, 12056, 13600, 13700, 14960, 15070, 18632, 18700, 21920, 23290, 24112, 25619, 27400, 29920, 30140, 37264, 37400, 37675, 46580, 48224, 51238, 54800, 58225, 60280, 74528, 74800, 75350, 93160, 102476, 109600, 116450, 120560, 128095, 149600, 150700, 186320, 204952, 232900, 241120, 256190, 301400, 372640, 409904, 465800, 512380, 602800, 640475, 819808, 931600, 1024760, 1205600, 1280950, 1863200, 2049520, 2561900, 4099040, 5123800, 10247600, 20495200]

約数ペア:

[(1, 20495200), (2, 10247600), (4, 5123800), (5, 4099040), (8, 2561900), (10, 2049520), (11, 1863200), (16, 1280950), (17, 1205600), (20, 1024760), (22, 931600), (25, 819808), (32, 640475), (34, 602800), (40, 512380), (44, 465800), (50, 409904), (55, 372640), (68, 301400), (80, 256190), (85, 241120), (88, 232900), (100, 204952), (110, 186320), (136, 150700), (137, 149600), (160, 128095), (170, 120560), (176, 116450), (187, 109600), (200, 102476), (220, 93160), (272, 75350), (274, 74800), (275, 74528), (340, 60280), (352, 58225), (374, 54800), (400, 51238), (425, 48224), (440, 46580), (544, 37675), (548, 37400), (550, 37264), (680, 30140), (685, 29920), (748, 27400), (800, 25619), (850, 24112), (880, 23290), (935, 21920), (1096, 18700), (1100, 18632), (1360, 15070), (1370, 14960), (1496, 13700), (1507, 13600), (1700, 12056), (1760, 11645), (1870, 10960), (2192, 9350), (2200, 9316), (2329, 8800), (2720, 7535), (2740, 7480), (2992, 6850), (3014, 6800), (3400, 6028), (3425, 5984), (3740, 5480), (4384, 4675), (4400, 4658)]