20187954105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{59771}}^1$

素因数の和:59902

約数の個数: 64

約数和(自身を含む): 37182965760

約数和(自身を除く): 16995011655

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 89, 115, 165, 253, 267, 345, 445, 759, 979, 1265, 1335, 2047, 2937, 3795, 4895, 6141, 10235, 14685, 22517, 30705, 59771, 67551, 112585, 179313, 298855, 337755, 657481, 896565, 1374733, 1972443, 3287405, 4124199, 5319619, 6873665, 9862215, 15122063, 15958857, 20620995, 26598095, 45366189, 58515809, 75610315, 79794285, 122351237, 175547427, 226830945, 292579045, 367053711, 611756185, 877737135, 1345863607, 1835268555, 4037590821, 6729318035, 20187954105]

約数ペア:

[(1, 20187954105), (3, 6729318035), (5, 4037590821), (11, 1835268555), (15, 1345863607), (23, 877737135), (33, 611756185), (55, 367053711), (69, 292579045), (89, 226830945), (115, 175547427), (165, 122351237), (253, 79794285), (267, 75610315), (345, 58515809), (445, 45366189), (759, 26598095), (979, 20620995), (1265, 15958857), (1335, 15122063), (2047, 9862215), (2937, 6873665), (3795, 5319619), (4895, 4124199), (6141, 3287405), (10235, 1972443), (14685, 1374733), (22517, 896565), (30705, 657481), (59771, 337755), (67551, 298855), (112585, 179313)]