20218173610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1\times {\mathrm{3851}}^1$

素因数の和:4311

約数の個数: 64

約数和(自身を含む): 39088863360

約数和(自身を除く): 18870689750

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 347, 445, 694, 890, 1513, 1735, 3026, 3470, 3851, 5899, 7565, 7702, 11798, 15130, 19255, 29495, 30883, 38510, 58990, 61766, 65467, 130934, 154415, 308830, 327335, 342739, 525011, 654670, 685478, 1050022, 1336297, 1713695, 2625055, 2672594, 3427390, 5250110, 5826563, 6681485, 11653126, 13362970, 22717049, 29132815, 45434098, 58265630, 113585245, 118930433, 227170490, 237860866, 594652165, 1189304330, 2021817361, 4043634722, 10109086805, 20218173610]

約数ペア:

[(1, 20218173610), (2, 10109086805), (5, 4043634722), (10, 2021817361), (17, 1189304330), (34, 594652165), (85, 237860866), (89, 227170490), (170, 118930433), (178, 113585245), (347, 58265630), (445, 45434098), (694, 29132815), (890, 22717049), (1513, 13362970), (1735, 11653126), (3026, 6681485), (3470, 5826563), (3851, 5250110), (5899, 3427390), (7565, 2672594), (7702, 2625055), (11798, 1713695), (15130, 1336297), (19255, 1050022), (29495, 685478), (30883, 654670), (38510, 525011), (58990, 342739), (61766, 327335), (65467, 308830), (130934, 154415)]