20359370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 21444406

約数列:

[1, 2, 5, 10, 17, 23, 34, 41, 46, 82, 85, 115, 127, 170, 205, 230, 254, 391, 410, 635, 697, 782, 943, 1270, 1394, 1886, 1955, 2159, 2921, 3485, 3910, 4318, 4715, 5207, 5842, 6970, 9430, 10414, 10795, 14605, 16031, 21590, 26035, 29210, 32062, 49657, 52070, 80155, 88519, 99314, 119761, 160310, 177038, 239522, 248285, 442595, 496570, 598805, 885190, 1197610, 2035937, 4071874, 10179685, 20359370]

約数ペア:

[(1, 20359370), (2, 10179685), (5, 4071874), (10, 2035937), (17, 1197610), (23, 885190), (34, 598805), (41, 496570), (46, 442595), (82, 248285), (85, 239522), (115, 177038), (127, 160310), (170, 119761), (205, 99314), (230, 88519), (254, 80155), (391, 52070), (410, 49657), (635, 32062), (697, 29210), (782, 26035), (943, 21590), (1270, 16031), (1394, 14605), (1886, 10795), (1955, 10414), (2159, 9430), (2921, 6970), (3485, 5842), (3910, 5207), (4318, 4715)]