20012160

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1518

約数の個数: 128

約数和(自身を含む): 72950400

約数和(自身を除く): 52938240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1489, 1680, 1920, 2240, 2688, 2978, 3360, 4467, 4480, 5956, 6720, 7445, 8934, 10423, 11912, 13440, 14890, 17868, 20846, 22335, 23824, 29780, 31269, 35736, 41692, 44670, 47648, 52115, 59560, 62538, 71472, 83384, 89340, 95296, 104230, 119120, 125076, 142944, 156345, 166768, 178680, 190592, 208460, 238240, 250152, 285888, 312690, 333536, 357360, 416920, 476480, 500304, 571776, 625380, 667072, 714720, 833840, 952960, 1000608, 1250760, 1334144, 1429440, 1667680, 2001216, 2501520, 2858880, 3335360, 4002432, 5003040, 6670720, 10006080, 20012160]

約数ペア:

[(1, 20012160), (2, 10006080), (3, 6670720), (4, 5003040), (5, 4002432), (6, 3335360), (7, 2858880), (8, 2501520), (10, 2001216), (12, 1667680), (14, 1429440), (15, 1334144), (16, 1250760), (20, 1000608), (21, 952960), (24, 833840), (28, 714720), (30, 667072), (32, 625380), (35, 571776), (40, 500304), (42, 476480), (48, 416920), (56, 357360), (60, 333536), (64, 312690), (70, 285888), (80, 250152), (84, 238240), (96, 208460), (105, 190592), (112, 178680), (120, 166768), (128, 156345), (140, 142944), (160, 125076), (168, 119120), (192, 104230), (210, 95296), (224, 89340), (240, 83384), (280, 71472), (320, 62538), (336, 59560), (384, 52115), (420, 47648), (448, 44670), (480, 41692), (560, 35736), (640, 31269), (672, 29780), (840, 23824), (896, 22335), (960, 20846), (1120, 17868), (1344, 14890), (1489, 13440), (1680, 11912), (1920, 10423), (2240, 8934), (2688, 7445), (2978, 6720), (3360, 5956), (4467, 4480)]