20164024688

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{137447}}^1$

素因数の和:137681

約数の個数: 40

約数和(自身を含む): 40035303648

約数和(自身を除く): 19871278960

約数列:

[1, 2, 4, 8, 16, 53, 106, 173, 212, 346, 424, 692, 848, 1384, 2768, 9169, 18338, 36676, 73352, 137447, 146704, 274894, 549788, 1099576, 2199152, 7284691, 14569382, 23778331, 29138764, 47556662, 58277528, 95113324, 116555056, 190226648, 380453296, 1260251543, 2520503086, 5041006172, 10082012344, 20164024688]

約数ペア:

[(1, 20164024688), (2, 10082012344), (4, 5041006172), (8, 2520503086), (16, 1260251543), (53, 380453296), (106, 190226648), (173, 116555056), (212, 95113324), (346, 58277528), (424, 47556662), (692, 29138764), (848, 23778331), (1384, 14569382), (2768, 7284691), (9169, 2199152), (18338, 1099576), (36676, 549788), (73352, 274894), (137447, 146704)]