2020406940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{488021}}^1$

素因数の和:488059

約数の個数: 72

約数和(自身を含む): 6395040288

約数和(自身を除く): 4374633348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 488021, 976042, 1464063, 1952084, 2440105, 2928126, 4392189, 4880210, 5856252, 7320315, 8784378, 9760420, 11224483, 14640630, 17568756, 21960945, 22448966, 29281260, 33673449, 43921890, 44897932, 56122415, 67346898, 87843780, 101020347, 112244830, 134693796, 168367245, 202040694, 224489660, 336734490, 404081388, 505101735, 673468980, 1010203470, 2020406940]

約数ペア:

[(1, 2020406940), (2, 1010203470), (3, 673468980), (4, 505101735), (5, 404081388), (6, 336734490), (9, 224489660), (10, 202040694), (12, 168367245), (15, 134693796), (18, 112244830), (20, 101020347), (23, 87843780), (30, 67346898), (36, 56122415), (45, 44897932), (46, 43921890), (60, 33673449), (69, 29281260), (90, 22448966), (92, 21960945), (115, 17568756), (138, 14640630), (180, 11224483), (207, 9760420), (230, 8784378), (276, 7320315), (345, 5856252), (414, 4880210), (460, 4392189), (690, 2928126), (828, 2440105), (1035, 1952084), (1380, 1464063), (2070, 976042), (4140, 488021)]