2020147380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{158071}}^1$

素因数の和:158157

約数の個数: 72

約数和(自身を含む): 6214126464

約数和(自身を除く): 4193979084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 158071, 316142, 474213, 632284, 790355, 948426, 1422639, 1580710, 1896852, 2371065, 2845278, 3161420, 4742130, 5690556, 7113195, 9484260, 11223041, 14226390, 22446082, 28452780, 33669123, 44892164, 56115205, 67338246, 101007369, 112230410, 134676492, 168345615, 202014738, 224460820, 336691230, 404029476, 505036845, 673382460, 1010073690, 2020147380]

約数ペア:

[(1, 2020147380), (2, 1010073690), (3, 673382460), (4, 505036845), (5, 404029476), (6, 336691230), (9, 224460820), (10, 202014738), (12, 168345615), (15, 134676492), (18, 112230410), (20, 101007369), (30, 67338246), (36, 56115205), (45, 44892164), (60, 33669123), (71, 28452780), (90, 22446082), (142, 14226390), (180, 11223041), (213, 9484260), (284, 7113195), (355, 5690556), (426, 4742130), (639, 3161420), (710, 2845278), (852, 2371065), (1065, 1896852), (1278, 1580710), (1420, 1422639), (2130, 948426), (2556, 790355), (3195, 632284), (4260, 474213), (6390, 316142), (12780, 158071)]