20926066992

素因数分解:

$2^4\times 3^1\times {\mathrm{991}}^1\times {\mathrm{439919}}^1$

素因数の和:440921

約数の個数: 40

約数和(自身を含む): 54113679360

約数和(自身を除く): 33187612368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 991, 1982, 2973, 3964, 5946, 7928, 11892, 15856, 23784, 47568, 439919, 879838, 1319757, 1759676, 2639514, 3519352, 5279028, 7038704, 10558056, 21116112, 435959729, 871919458, 1307879187, 1743838916, 2615758374, 3487677832, 5231516748, 6975355664, 10463033496, 20926066992]

約数ペア:

[(1, 20926066992), (2, 10463033496), (3, 6975355664), (4, 5231516748), (6, 3487677832), (8, 2615758374), (12, 1743838916), (16, 1307879187), (24, 871919458), (48, 435959729), (991, 21116112), (1982, 10558056), (2973, 7038704), (3964, 5279028), (5946, 3519352), (7928, 2639514), (11892, 1759676), (15856, 1319757), (23784, 879838), (47568, 439919)]