20251990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5939}}^1$

素因数の和:5988

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 20805290

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5939, 11878, 29695, 59390, 65329, 130658, 184109, 326645, 368218, 653290, 920545, 1841090, 2025199, 4050398, 10125995, 20251990]

約数ペア:

[(1, 20251990), (2, 10125995), (5, 4050398), (10, 2025199), (11, 1841090), (22, 920545), (31, 653290), (55, 368218), (62, 326645), (110, 184109), (155, 130658), (310, 65329), (341, 59390), (682, 29695), (1705, 11878), (3410, 5939)]