20475343920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4490207}}^1$

素因数の和:4490242

約数の個数: 80

約数和(自身を含む): 66814295040

約数和(自身を除く): 46338951120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4490207, 8980414, 13470621, 17960828, 22451035, 26941242, 35921656, 44902070, 53882484, 67353105, 71843312, 85313933, 89804140, 107764968, 134706210, 170627866, 179608280, 215529936, 255941799, 269412420, 341255732, 359216560, 426569665, 511883598, 538824840, 682511464, 853139330, 1023767196, 1077649680, 1279708995, 1365022928, 1706278660, 2047534392, 2559417990, 3412557320, 4095068784, 5118835980, 6825114640, 10237671960, 20475343920]

約数ペア:

[(1, 20475343920), (2, 10237671960), (3, 6825114640), (4, 5118835980), (5, 4095068784), (6, 3412557320), (8, 2559417990), (10, 2047534392), (12, 1706278660), (15, 1365022928), (16, 1279708995), (19, 1077649680), (20, 1023767196), (24, 853139330), (30, 682511464), (38, 538824840), (40, 511883598), (48, 426569665), (57, 359216560), (60, 341255732), (76, 269412420), (80, 255941799), (95, 215529936), (114, 179608280), (120, 170627866), (152, 134706210), (190, 107764968), (228, 89804140), (240, 85313933), (285, 71843312), (304, 67353105), (380, 53882484), (456, 44902070), (570, 35921656), (760, 26941242), (912, 22451035), (1140, 17960828), (1520, 13470621), (2280, 8980414), (4560, 4490207)]